Question

3. How would you show that metals react with
acid to liberate hydrogen?
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Answer 1

Answer:

(i)Take 5 ml solution of any of acid salt ,let us take sulphuric acid(H2SO4) in a beaker. (ii)add some zinc granules in it. (iii)a gas is released. ... try to place a burning candle in the gas,u will hear a pop sound.so,this gas is hydrogen.