Question

1. how could you identify that gas?
2. if the lighted candles in the truf extinguish, in which order it happens?
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Answer 1

Answer:

The glass becomes foggy on the inside and the flame fades and eventually goes out. Then the water level in the glass rises. The burning candle produces carbon dioxide and water in the form of water vapor. ... If the air in the glass cools down and its volume decreases, a negative pressure is created inside the glass.

Explanation:

Answer 2

Answer:

Hey man

Explanation:

Since it is hydrochloric acid the gas produced will be hydrogen and hydrogen burns with a pop sound