Answer 662

Washing soda is the common name for

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Priya Soni
Priya Soni

Chemical formula for water is

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Priya Soni

Which of the following is used in pencils?

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Chlorophyll is a naturally occurring chelate compound in which central metal is

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Brass gets discoloured in air because of the presence of which of the following gases in air?

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How far away is the sun

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