Question 2. 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?
Answer: When acids react with metal generally hydrogen gas is produced. We can test it by bringing burning candle near to it then it will produce pop sound.
Answer: When acids react with metal generally hydrogen gas is produced. We can test it by bringing burning candle near to it then it will produce pop sound.
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