Name the gas that liberates when an acid reacts with a metal. Illustrate your answer with an example giving the balanced equation for the reaction involved. How would you test the gas evolved ?
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→ Reaction of Acids with Metals
• Acids react with metal to form metal salt and releases Hydrogen Gas.
Acid + Metal → Salt + Hydrogen Gas
• Example: Zinc granules react with dilute Hydrochloric acid in a test tube.
2HCl + Zn → ZnCl2 + H2
Hydrogen gas released can be tested by bringing burning candle near gas bubbles, it burst with pop sound.
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ANSWER
Hydrogen gas is librated when acid react with metal.
Reaction of acid with metal:
Acid+ Metal=Salt + Hydrogen
Example: Zinc granules react with dilute Hydrochloric acid in a test tube
2HCL + Zn = ZnCl2 + H2
Hydrogen gas can be tested by burning candle near gas bubbles, it burst with pop sound
HOPE IT IS HELPFUL FOR YOU
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