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\(HC\) is a weak acid and undergoes complete ionisation whereas \(CH_3COOH\) does not as it is a strong acid.
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Hydrogen gas, \(H_2\)
1. Which gas is evolved when dilute hydrochloric acid reacts with zinc metal? Write the molecular formula of this gas.
2. How will you test for the gas which is liberated when hydrochloric acid reacts with an active metal?
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