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Which of the following is used in thermi...

Which of the following is used in thermine welding ?

A

`TiO_(2)+4Na to Ti+2Na_(2)O`

B

`2Al +Fe_(2)O_(3) to Al_(2)O_(3)+2Fe`

C

`SnO_(2) +2C to Sn+2CO`

D

`Cr_(2)O_(3) +2Al to Al_2O_(3)+2Cr `

Text Solution

Verified by Experts

The correct Answer is:
B
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