Gu Qiqi looks down here and sighs.

Wu 19 looks around curiously.

It was the first time she had come to such a dusty old house.

When she saw the air dried body, she instinctively shrank to Gu Qiqi.

Fortunately, Gu Qiqi didn't push her away this time, but carefully pulled her around to remind her to pay attention to the glass fragments on the ground.

Wu 19's heart was warm, like a small sun rising.

Recalling just now and Gu Qiqi hand in hand to jump out of the window small action, there is a kind of incomparable sweet happiness.

She thought secretly in her heart that after the exploration with Mr. Ye tonight, they should have a rare common experience and a common secret. In the future

Is thinking, suddenly saw Gu Qiqi squat down to the body, picked up a piece of glass debris, facing the moonlight.

Wu nineteen also quickly squatted down: "Ye childe, are you going to take away the things of that year and worship the elder?"

Gu Qiqi did not answer what he had asked: "Your Highness, can you smell that this is the test tube fragment. What is the residual drug?"

Wu 19 closed his eyes and concentrated for a moment. Then he said, "potassium permanganate, glycerin, alcohol, safflower, Salvia miltiorrhiza It's so miscellaneous. What kind of medicine should I prepare? How can glycerin and potassium permanganate mix together? It must explode! Alas, the elders are too careless

Gu Qiqi was still and said, "how much potassium permanganate and glycerin can be found in such a small test tube, less than 100ml

"Well There shouldn't be much! If the color of potassium permanganate is not obvious, it will be very strong. If it is too strong, it will explode Wu 19 said, and finally realized something was wrong. He suddenly raised his head, "Mr. Ye, do you suspect that the explosion at that time was not the cause of potassium permanganate and glycerin?"

Gu Qiqi nodded: "this dose of potassium permanganate and glycerol, certainly will not cause much explosion, the most starting point is small sparks. There's another reason for the explosion

Feng Yangchu said the explosion was caused by potassium permanganate and glycerin.

Because in this prescription, a small amount of potassium permanganate is added, so it is possible to explode only when it is mixed with glycerin.

Glycerin is colorless and tasteless. It is not easy to be found when it is coated on the wall of test tube.

When you pour in potassium permanganate, it will explode!

Over the years, Feng Yangchu was depressed and guilty. He regretted that he didn't check the test tube well before the competition.

Whether he was framed and smeared with glycerin on the test tube, or it happened that the test tube contained glycerin, it was his fault that he did not carefully check, which led to the death of senior brother!

He regretted more than ten years!

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

This is strange

Wu nineteen was also frowned by her, puzzled: "what's the reason? Unless there's something left in it I'll smell it again... "

A moment later, her eyes brightened: "tert butyl lithium! There's still tert butyl lithium left! I know this is a super spontaneous combustion material. It will ignite in water! Spontaneous combustion in air! When I take chemistry class, needles, gloves and bottles stained with tert butyl lithium will spontaneously emit white smoke when I take out the Toolbox! "

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