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Percentage of oxygen in air by volume………...

Percentage of oxygen in air by volume…………..

A

0.209

B

0.781

C

0.0003

D

0.001

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VGS PUBLICATION-BRILLIANT-IS MATTER PURE?-EXERCISE
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  2. The term element is first used by……….

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  3. Percentage of oxygen in air by volume…………..

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  4. Percentage of nitrogen in air by volume………….

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  5. Percentage of argon in air by volume……………

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  6. Components of blood sample are separated by……………

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  7. Napthalene in water separated by ……..

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  8. Petrochemicals are separated by

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  9. A) kerosene+salt B) water +salt C) water+ sugar D) salt+ sugar In th...

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  13. Churning makes the lighter components to come to the surface when a mi...

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  14. Generally solid solutions are available in

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  19. Which of the given mixtures cannot be separated by simple physical met...

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