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प्रश्न
When zinc powder is added to acetic acid ______________
(a) the mixture becomes warm
(b) a gas is evolved
(c) the colour of the mixture becomes yellow
(d) a solid settles at the bottom
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उत्तर
A gas is evolved.
Zn + 2CH3COOH → Zn (CH3COO)2 + H2
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