First slide

Uses of Boron & Aluminium

Question

Which one of the following is not a proper match ?

Easy

A

Graphite . . .moderator in nuclear reactors
B

Borax . . manufacture of Pyrex glass
C

$_{5} B^{10}$ . . . high ability to absorb neutrons
D

CO . . . fire extinguisher

Solution

CO₂is a fire extinguisher ;

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