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Extraction of Zinc

Lithopone is ...

Question

Lithopone is a mixture of zinc sulphide and barium sulphate. It is used as a paint instead of white lead, because it:

A

does not become black in air

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B

is more white

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C

is more bright

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D

does not become yellow in air

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Solution

The correct option is A does not become black in air
Lithopone is a mixture of zinc sulphide and ${B a S O}_{4}$ . It is used as paint instead of white lead, because of doesn't become black in air.

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