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Question

Write a balanced chemical equation when calcium carbide reacts with water.

A
CaC2+4H2OCa(OH)2+C2H6
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B
CaC2+2H2OCa(OH)2+C2H2
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C
CaC2+3H2OCa(OH)2+C2H4
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D
2CaC2+2H2O2Ca(OH)2+C2H2
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Solution

The correct option is B CaC2+2H2OCa(OH)2+C2H2
When calcium carbide reacts with water it produces calcium hydroxide and acetylene gas. The balanced chemical reaction is:

CaC2+2H2OCa(OH)2+C2H2

So, option B is correct.

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