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The carbide which is used as abrasive is...

The carbide which is used as abrasive is, (1)WC (2)CaC2 (3)Al4 C3 (4)SiC

A

WC

B

CaC_2'

C

Al_4 C_3'

D

SiC'

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The correct Answer is:
D
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V PUBLICATION-THE p - BLOCK ELEMENTS-QUESTION BANK
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  7. Orthoboric acid, H3BO3 is a

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  8. The hybridisation of boron in 'B F3' and 'BF4' respectively is sp^2, s...

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  10. In silicon dioxide : each siliçon atom is surrunded by four oxygen ato...

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  11. Carborundum is

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  12. Which of the following statement about boric acid is false. : It acts ...

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  13. Which of the following statement about boric acid is false. : It acts ...

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  14. Boron trioxide can be reduced with........to get boron Carbon Hydroge...

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  15. When boron burns in air it forms:

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  17. The boron compound which is formed whena solution of borax is acidifie...

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  18. Which of the following shows a tendency of dimerisation:?BCl3 BF3 BB...

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  19. Which of the following is untrue regarding BF3 ? It is a Lewis acid , ...

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  20. Hardest compound of boron is

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