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Introduction to p Block Elements

The blue colo...

Question

The blue coloured mineral ‘Lapis Lazuli’ which is used as semiprecious stone is a mineral of the following class.

A

Sodium alumino silicate

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B

Zinc cobaltate

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C

basic coppercarbonate

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D

all of above

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Solution

The correct option is A
Sodium alumino silicate

‘Lapis Lazuli’ is blue coloured sodium alumino silicate belonging to ultramarine.

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