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Which of the following chemicals is used...

Which of the following chemicals is used in foam fire extinguisher ?

A

Aluminium sulphate

B

Copper sulphate

C

Cobalt sulphate

D

Nickel sulphate

Text Solution

Verified by Experts

The correct Answer is:
A
Aluminium sulphate is used in 'foam' fire extinguishers, which contain radium bicarbonate and aluminium sulphate in separate receptacles on being mixed they form the foam of bubbklkes of `CO_(2)`.
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