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Standard IX
Chemistry
Hardness of Water:Causes, Types and Treatments
Which of the ...
Question

Which of the following does not contain silicon?

A
Kaoline
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B
Agate
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C
Ruby
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D
Quartz
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Solution

The correct option is B Ruby
Hence Ruby doesnot contain silicon.
1434778_243143_ans_9a4185c6b23a4fea862b72a44fa37314.jpg

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