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Which element is used to increase hardness of steel?
Option: 1
C

Option: 2
B

Option: 3
N

Option: 4
S

Answers (1)

best_answer

As we learnt

Uses of Boron -

As deoxidiser in casting of iron
For increasing hardness of steel
For making materials for aircrafts
In atomic reactors as protective shields and control rods.

-

B is used to increase the hardness of steel.

Posted by

Devendra Khairwa

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