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Which of the following statement(s) is/a...

Which of the following statement(s) is/are correct

A

Carborundum and Boron carbides are true covalent compounds

B

`Al_(4)C_(3) " and " Be_(2)C` are ionic carbides and evolve methane on hydrolysis

C

`Al_(4)C_(3) " and " Be_(2)C` contain `C^(-4)` units and evolve methane and acetylene respectively on hydrolysis

D

Carborundum is used as abrasive

Text Solution

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The correct Answer is:
A, B, D
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