When zinc metal reacts with dilute hydrochloric acid, the gas evolved
(a) supports combustion
(b) turns lime water milky
(c) bums with a pop sound
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Answer:
Gas evolved is hydrogen that burns with a pop sound
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When zinc metal reacts with dilute hydrochloric acid, the gas evolved burns with a pop sound since H2 gas is evolved.
Zn + dil. HCl ------> ZnCl2 + H2
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