which gas is usually liberated when an acid reacts with a metal illustrate with an example ? how can we test its presence
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generally hydrogen gas is liberated when an acid is reacted with metal
Like H2SO4 React with any metal and a solution is ready and with the solution hydrogen gas is liberated
we can check the presence of hydrogen gas by passing it through soap bubbles and a Pop sound is made
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when an acid is treated with metal,hydrogen gas is liberated.
eg.
Zn+HCl=ZnCl+H2
we can test its presence by placing a burning candle near it.when hydrogen gaa comes in contact with the burning candle we get a popping sound.
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