3 Which gas is usually liberated when an acid
reacts with a metal? Illustrate with an example.
How will you test for the presence of this gas?
Answers
Answered by
3
Answer:
Hydrogen gas is liberated when an acid reacts with a metal. For example, when zinc metal reacts with dil. hydrogen is evolved and salt zinc chloride is formed as: It can be tested by bringing a burning candle near the gas.
Answered by
1
Answer:
hydrogen gas is liberated when acid react with metal or matal react with acid. pop sound is the best test for presence of hydrogen gas.when candle is carry to near the hydrogen gas the a sound is emitted which is pop
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