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Question

Why does the gas released on treating base with a metal burns with a pop sound?

A
It solidifies and forms a pop sound
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B
Flame ignites the gas and forms a pop sound
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C
Flame liquefies the gas and thus forms a pop sound
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D
The above statement is incorrect
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Solution

The correct option is D Flame ignites the gas and forms a pop sound
Hydrogen gas is released when metal reacts with a base. A lighted wooden splint goes pop if it is put into a test tube of hydrogen. This is because the flame ignites the hydrogen, which burns explosively to make a loud sound.

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