I really just want to be a scholar

Chapter 326 Special Tests in Chemistry Laboratory Exam
The difficulty of this IChO is indeed relatively high, and the amount of questions is also large. If it was Qin Ke half a year ago, it would take two hours to complete it, but in August, Qin Ke's brain development limit increased by 50%, which made His talent in science has been raised to 480 after the upgrade of biology and chemistry subjects, and then the upgrade of physics and mathematics subjects has raised his talent in science by one level, and it has reached about 560 now.

It is not far from the current upper limit of 600 for his science talent.

Qin Ke didn't know how high the scientific talents of Hawking, Einstein, Gauss and other scientific giants and mathematics princes were, 600?even higher?But I estimate that sooner or later, I will catch up with or even surpass them.

Qin Ke thought about these things, and left the examination room calmly, not paying attention to such a small role as Huang Wei.

For Qin Ke, there are too many garbage clowns like this, just use his grades to slap him in the face. If he really cares about them and quarrels with them, he will lower his composure instead.

However, Qin Ke's indifference and ignorance, which walked directly past Huang Wei without even looking out of the corner of his eye, made Huang Wei even more jealous, resentful and resentful.

He is jealous of why Qin Ke is such a genius and able to finish the entire paper so quickly, hates himself for not being able to do it, and blames why Qin Ke came to participate in this IChO... Anyway, he is right, the wrong is someone else, it is the world .

The more Huang Wei thought about it, the more unbalanced his mentality became, and the more difficult it was to do the questions. After four hours, he managed to solve only six questions, and he was not sure about many small questions, and even skipped them directly.

Huang Wei's back was covered with sweat, and he felt his lips were dry and his body was uncomfortable.He scratched on the draft paper irritably, then unscrewed the cap of the mineral water bottle and poured himself up, only then did he feel better.

Suddenly he saw someone holding up the HELP sign again, the invigilator passed by, and then a beautiful girl with a single ponytail wearing the Xia Guo representative team left the examination room lightly with a scent of fragrance.

Even Ning Qingyun did a complete paper and handed it in ahead of time?

Huang Wei's mentality, which had been barely calmed down just now, completely collapsed. His eyes were red and he was panting heavily. Suddenly, he crumpled the answer sheet into a ball and raised his hand to throw it out——!
But the balls of paper reached his fingertips. Huang Wei suddenly thought that he was studying and living in Canada. The only thing that made him look up to him was his chemistry score. How would he face his classmates, teachers, and people around him when he returned to Canada?
Do we have to go back to the days of being discriminated against and ridiculed again?
In the end, Huang Wei almost suffered internal injuries, but he still gritted his teeth and retracted his hand, and then flattened the answer sheet with all his strength.

An invigilator noticed his strange behavior and came over to warn him not to disturb the discipline of the examination room, otherwise his grades would be invalidated and he would be expelled from the examination room. Huang Wei could only apologize in a low voice with a smile on his face.

The more he thought about it, the more aggrieved he became, and finally he let out a long sigh, and then continued to answer the question with a face ashamed...

In fact, he also knew that the marking teacher would not give him a high score just by relying on the messy answer sheet. After all, the first impression of the test paper is very important to the marking teacher, otherwise why do you need draft paper?
Why wasn't the draft paper crumpled into a ball when I was so angry just now!
Huang Wei regretted, hated, annoyed and felt uncomfortable. This time, he failed the IChO exam completely, and he would have to burn incense to get the silver medal.

……

After a day's rest, on the morning of the third day, Huang Wei finally adjusted his mentality, cheered himself up, and went to the experimental exam room early to wait for the exam.

Due to the limited space, the chemical experiment test is divided into two batches, the morning and the afternoon, each of which lasts 4 hours. The experimental test questions are also divided into two volumes, AB and AB.

Huang Wei's Canadian representative team draws in the morning, from 8:12 am to 12:4 am.By the way, the afternoon exam is from [-]:[-] to [-]:[-] pm.

He woke up and followed Captain Tillison into the laboratory, and unexpectedly saw the person he least wanted to see—Xia Guo's representative team headed by Qin Ke and Ning Qingyun!

There are a total of four laboratories for the exam, and all of them can be divided into one place. Apart from being able to explain it with the metaphysics of "the road to the enemy is narrow", Huang Wei can't say a word.

God's prank?

forgive me!

Seeing Qin Ke and his teammates chatting and laughing, Huang Wei's expression turned strange again, and the gloomy feeling of being shrouded in the shadow of the god of learning came to his heart again.

But the whispered conversation between the captain and the vice-captain next to him rekindled Huang Wei's hope.

That's right, when it comes to experimental conditions and experience in experimental operations, how can Xia Guo's high school students compare to them?I heard that the laboratory conditions in Xiaguo School are very poor, and it is often only in high school that you have the opportunity to touch the experimental equipment. As for Canada, even elementary school students can go to the laboratory to conduct interesting chemical experiments, let alone junior high school and high school students. up.

Come on, the experimental score accounts for 40% of the total score, and I still have a chance!Never lose to the Xia Guo representative team!

Huang Wei took a deep breath and stabilized his mind.

Soon all candidates put on their lab coats and goggles. After the on-site invigilator explained the precautions for the experiment, the experiment began.

The experiment is conducted by individuals and cannot be communicated in a team. Candidates from the same country will be scattered to different regions to do experiments separately.

One invigilator corresponds to four candidates and is responsible for scoring and handling emergencies.

Moreover, there are cameras everywhere in the laboratory, and two invigilators in charge of the second trial will watch the video in the background. Basically, any mistakes cannot escape their eyes.

After the experimental exam, the three invigilators on site and in the background will score together, and the average value will be the final test score of the candidate.

Huang Wei forced himself to concentrate, examine the questions carefully, and then began to work on the experimental plan.

The first is the experimental topic of dye production, which involves many knowledge points, including dye strength, molar digestion coefficient, diazotization reaction, cationic dyes, absorption spectrum curve, three-stage method, etc., which is quite difficult.

The title requires the completion of a full chemical reaction design scheme for a specified dye, which facilitates the development of a standardized and large-scale green dye.

It took Huang Wei about 40 minutes to complete the scheme design, and then started the formal experiment.

The first step is the production of chlorine gas. Chlorine gas is generated by reacting manganese dioxide with concentrated hydrochloric acid. This is a very basic experiment that no junior high school student can do wrong. Huang Wei completed it almost effortlessly.

Just after recording the data and preparing for the second step, I suddenly heard a middle-aged male invigilator with a high nose bridge not far away ask: "Student, what do you need?"

Huang Wei looked up and saw a candidate holding up a "HELP" sign.To his surprise, it was Qin Ke who held up the sign!

Huang Wei couldn't help but glanced twice, only to hear Qin Ke say in English: "Teacher, I want to change my concentrated hydrochloric acid."

The invigilator with a high nose bridge said unexpectedly: "Is there something wrong with your bottle of concentrated hydrochloric acid? Why do you need to replace it?"

"The concentration of this bottle of concentrated hydrochloric acid does not meet the standard. I think it does not meet the standard concentration range of 36%~38%, and it does not match the 36.5% concentration required for this experiment."

The invigilator teacher with a high nose bridge said displeased: "All the concentrated hydrochloric acid in this laboratory is filled from the same barrel, and all our experimental equipment and chemical materials have passed three standard inspections before the exam begins. It is impossible for the concentration discrepancy you mentioned to occur. Please continue the experiment..."

Qin Ke shook his head and said, "I don't know about other people's, but my bottle of concentrated hydrochloric acid must not meet the standard. I did a mental calculation just now. According to the reaction time and the concentration of chlorine gas, the concentration of this bottle of concentrated hydrochloric acid is only 29.5%. Since this experiment We are required to design the most suitable solution that can be standardized and scaled up, and the first thing to ensure is that the experimental materials meet the standards."

He fought hard and said: "This bottle of concentrated hydrochloric acid with only 29.5% concentration cannot verify my experimental plan, and the results will produce errors beyond the reasonable range. I refuse to use such concentrated hydrochloric acid for experiments! According to the regulations of the examination room, Experimental materials that have doubts about candidates can be replaced, and I request to exercise my right!"

The high-nosed invigilator was obviously annoyed by his contradicting. He snorted, pulled open a spare cabinet next to him, took out a bottle of concentrated hydrochloric acid from the two bottles inside and said, "I repeat, all our experimental equipment, The chemical materials have been checked by three standards before the start of the test, and there is no possibility of the concentration discrepancy you mentioned. But it is your right to ask for replacement materials, and you only have this right once."

After finishing speaking, he put the concentrated hydrochloric acid in front of Qin Ke.

"Please continue the experiment immediately, otherwise I will regard you as disturbing the order of the examination room and void your score for this question!"

Hearing the obviously dissatisfied voice of the invigilator with a high nose bridge, Huang Wei felt secretly in his heart, Qin Ke, Qin Ke, you are picking a bone in the egg, why didn't I find out that there is a problem with the concentrated hydrochloric acid?Did you get scolded this time?It's best to scold you until your mental breakdown experiment goes wrong!
While regretting, he continued with his second step of the experiment, but a few minutes later, he heard the invigilator with the high nose bridge ask again: "Student, do you have any questions?"

This time it wasn't just Huang Wei, the students in the entire examination room looked over curiously.

Qin Ke pushed back the concentrated hydrochloric acid in his hand: "Teacher, the concentration of this bottle of concentrated hydrochloric acid is also the same at 29.5%, which is not up to the standard! I refuse to use it!"

The invigilator with a high nose bridge was full of anger, and stared at Qin Ke with blue eyes: "As I said, all the concentrated hydrochloric acid here is filled from the same barrel, and after three tests, there is no possibility of quality problems! You can refuse to use it, but I will give you zero points for this question! I will ask you one last time, do you insist on refusing to use it?"

Qin Ke was silent for two seconds, and then firmly said: "Yes. The most important thing in a chemical experiment is rigor, which includes rigorous operation and rigorous materials. Using chemical materials that do not meet the requirements will affect the final experimental results and fail to meet expectations. There may even be accidents. I refuse to use this batch of concentrated hydrochloric acid, even if I get zero points for this question! But I will reserve the right to appeal after the exam!"

The invigilator teacher with a high nose bridge said coldly: "Okay!" He went directly to get Qin Ke's ID, copied his name in his notebook, then looked around, and asked with a frosty face: "Who else thinks The concentrated hydrochloric acid provided by our laboratory does not meet the standards and refuses to do this experiment?"

Everyone was so frightened by his anger and coercion that they all lowered their heads, Huang Wei was even more overjoyed, there really is no unparalleled road!How could there be a problem with this concentrated hydrochloric acid? This is an IChO experimental test, the world's top high school chemistry competition site!
But Qin Ke was so dizzy and stubborn, he even contradicted the invigilator and gave up the score of a major experiment question!That's a full 30 minutes!

Even if he can do the second and third questions completely correctly, he will only get 70 points!

But almost no one can get full marks in the experiment!

In other words, Qin Ke only scored 60 points in the experimental test this time!
Thinking of this, the smile on Huang Wei's mouth almost leaked out.

In the silence all around, suddenly a small white hand like jade raised up, and then a girl's calm voice sounded: "I. The concentrated hydrochloric acid in my hand does not meet the standard. I just observed it specially. The rate of chlorine gas generation There is an abnormality with the concentration, which is obviously a quality problem of concentrated hydrochloric acid. I refuse to use such concentrated hydrochloric acid."

Ning Qingjun of Xia Guo's representative team!
The candidates around were all in an uproar. Seeing the high-nosed invigilator pass by with a dark face, he copied Ning Qingyun's name without saying a word, looked around everyone, and said coldly: "Who else refuses to use it?"

An Xianzhi and Shen Xilin looked at each other, gritted their teeth, and raised their hands: "We also refuse to use it."

"Very good, your Xia Guo team is very united."

Seeing the high-nosed invigilator almost going crazy, all the candidates were both amused and a little gloating. This time the Xia Guo team was completely wiped out!
The invigilator with a high nose bridge gritted his teeth and asked three times repeatedly, "Is there anyone else?"

No one raised their hand anymore.

"Very good, now I announce." The invigilator Gao Nose Bridge picked up the small book in his hand and read aloud: "Qin Ke, Ning Qingyun, An Xianzhi, Shen Xilin of Xia Guo's representative team, the first four of them The score for the question is - 30 points, for the rest, 0 points!"

Everyone was stunned at the same time, thinking that the invigilator with a high nose bridge had made a mistake.

I saw that the severe expression on the face of the invigilator with a high nose bridge had turned into a smile, and he walked back and gave Qin Ke a thumbs up:

"Xia Guo boy, you are great. The concentration of concentrated hydrochloric acid provided this time is indeed only 29.5%. You are the first to discover and raise objections. Your carefulness, intelligence, self-confidence, and courage to stick to principles have automatically obtained the Full marks for the first question."

The other dozen invigilators in the examination room laughed and applauded together.

The high-nosed invigilator looked at Ning Qingyun, An Xianzhi, and Shen Xilin again and said with a smile, "Of course, you too."

Only then did he look around at the bewildered candidates, and said solemnly: "This chemistry experiment exam has added such a key trap. If no one points it out, then it will be considered that your plan and all operations are correct. None will get points. If someone can point it out and stand up for what is right, they will get a full point, and the rest, 0 points!"

"Don't be unconvinced." The team leader of the on-site invigilator, the old gentleman with short blond hair said:

"When I announced the regulations of the examination room just now, I said that from the announcement of the opening of the examination, you will enter the experimental examination stage, and all operations and steps must meet the requirements of the questions.

"Generating chlorine gas by reacting manganese dioxide with concentrated hydrochloric acid is the most basic entry-level operation. You will conduct such an experiment from the first year of learning chemistry. If you observe carefully and patiently when doing this experiment, yes It’s not difficult to find abnormalities, but unfortunately most of you don’t have them. How can you be a great chemist if you are careless when doing experiments because you are familiar with them, and you blindly believe in the so-called authority?”

"Joining this key trap is one of the most important secret reform factors of our current IChO experiment. Because we feel that it is necessary for all those who love chemistry to have such an unforgettable educational class, so that you will be in the future. Go further on the chemical road!"

The blond old gentleman ignored Huang Wei, who had a pale face, and the other examinees, walked up to Qin Ke, smiled and gave a thumbs up: "I remember you, Qin Ke from Xia Guo, your performance is very good, especially It was the correct concentration of 29.5% hydrochloric acid that I calculated directly without using pen and paper, which made me amazed. Continue to work hard on the following questions, and I will not guarantee that there are no pitfalls."

The old gentleman laughed and announced that the experimental exam would start directly from the second question.

　Thank you for the rewards of "Stinging the Heart" and "A Lonely Tree Doesn't Look Like a Forest"!

　　Thank you for your monthly ticket recommendation, and I will send you the second update of 4K.

　　I work overtime during the day, but I will strive to send another chapter in 4K, so that the two-day update volume of 1.2W will be completed.

　　
　
(End of this chapter)