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The raw material used in preparing permu...

The raw material used in preparing permutit

A

Soda ash

B

Alumina

C

Silica

D

All the above

Text Solution

Verified by Experts

The correct Answer is:
D
`Na_2CO_3` (soda ash), `SiO_2` (silica),
`Al_2O_3` (Alumina)
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