Question

08. Carbon dioxide gas burns with a pop
sound when a burning candle is
brought near it.
(a) True
(b) False
(c) Can't say
(d) Partially true/false​

Answer 1

Answer:

b) false

hydrogen gas burn with pop sound when a burning candle is brought near it .

Answer 2

Mentioned statement about carbon dioxide is (b) False.

• Hydrogen gas burns with pop sound. This is due to expansion of air due to release of heat.
• Carbon dioxide gas extinguishes the burning candle. Another test to determine the presence of carbon dioxide is adding it to lime water.
• Carbon dioxide turns lime water milky.
• In general too, carbon dioxide is used to extinguish the burning flames.