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Gu Qiqi lowered his eyes here and sighed.

Wu Nineteen looked around curiously.

She usually goes to tall and luxurious places, and it is the first time she has come to such an old house that has been dusty for many years.

When she saw the dried corpse, she instinctively shrank down beside Gu Qiqi.

Fortunately, Gu Qiqi did not push her away this time, but carefully pulled her to her side and reminded her to pay attention to the glass shards on the ground.

Wu Nineteen's heart was warm, like a little sun rising.

Recalling the small action of jumping out of the window hand in hand with Gu Qiqi just now, there is an incomparably sweet happiness.

She secretly thought in her heart that after tonight's expedition with Ye Gongzi, they should have a rare common experience, a common little secret, and ...... in the future

Just thinking about it, he suddenly saw Gu Qiqi squatting down, picking up a piece of glass shard, and looking at it in the moonlight.

Wu Jiu also hurriedly squatted down: "Ye Gongzi, are you going to take away the things of the year and worship your predecessors?" ”

Gu Qiqi replied to the question: "Your Highness the Nineteenth, can you smell it, what is the residual medicine on the fragments of the test tube?" ”

Wu Jiu closed his eyes and felt it for a moment, and then said, "Potassium permanganate, glycerin, alcohol, safflower, salvia...... It's so miscellaneous, what kind of medicine is this going to be dispensed with? How can glycerol be mixed with potassium permanganate, this must explode! Alas, the seniors were too careless! ”

Gu Qiqi remained silent, and said: "With such a small test tube, less than 100ml of dose, how much potassium permanganate and glycerol do you think can be in it?" ”

"Hmm...... There shouldn't be much! THE SMELL OF POTASSIUM PERMANGANATE IS VERY STRONG, IF IT EXCEEDS 2ML, THE TASTE IS QUITE PUNGENT, AND THE COLOR IS ALSO DARK PURPLE RED, WHICH IS PARTICULARLY OBVIOUS, IT WILL DEFINITELY BE DISCOVERED, AND IT WILL ...... WITHOUT WAITING FOR THE EXPLOSION" WU JIU SAID AS HE SPOKE, FINALLY SENSING THAT SOMETHING WAS WRONG, AND RAISED HIS HEAD SUDDENLY, "YE GONGZI, ARE YOU SUSPICIOUS THAT THE EXPLOSION BACK THEN WAS NOT THE CAUSE OF POTASSIUM PERMANGANATE AND GLYCERIN AT ALL?" ”

Gu Qiqi nodded: "This dose of potassium permanganate and glycerin will definitely not cause much explosion, at most a small spark." Explosion, for another reason! ”

Feng Yangchu said that the cause of the explosion was potassium permanganate and glycerin.

Because in this prescription, a trace amount of potassium permanganate was originally added, so it could only explode if it was mixed with glycerin.

Glycerin is colorless and odorless, and is not easy to detect when applied to the wall of the test tube beforehand.

When potassium permanganate is poured in, it will burst!

For so many years, Feng Yang Chu was depressed, and he blamed himself and felt guilty, that is, he regretted that he did not check the test tube well before the competition.

Whether it was framed by someone for smearing glycerin on the test tube, or coincidentally containing glycerin in this test tube, it was his fault, and it was his failure to check carefully, which led to the death of his senior brother!

He regretted it for more than ten years!

However, after on-the-spot inspection, Gu Qiqi keenly found that a 100ml test tube with a trace amount of potassium permanganate was not enough to cause a fatal explosion.

That's weird......

Wu Nineteen was also furrowed by her, and said puzzledly: "What else can be the reason?" Unless there is any drug ingredient left in it...... I'll smell it again......"

After a moment, her eyes lit up: "Tert-butyllithium!" There is also tert-butyl lithium remaining! I know this is a super spontaneous combustion substance, spontaneous combustion in water! Spontaneous combustion in the air! When I was in chemistry class, I would spontaneously smoke when I took out my toolbox with needles, gloves and bottles! ”