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

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

A

0.209

B

0.781

C

0.0003

D

0.009

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VGS PUBLICATION-BRILLIANT-IS MATTER PURE?-EXERCISE
  1. Percentage of oxygen in air by volume…………..

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

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

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

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  5. Napthalene in water separated by ……..

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  6. Petrochemicals are separated by

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

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  8. a) sugar water b) tincture of iodine c) soda water d) salt water The...

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  9. Milk, butter,cheese,cream,gel,boot polish These are

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  10. (a) set A:fog,clouds,mist (b) set B: foam , rubber, sponge ( c) Se...

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

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  12. Generally solid solutions are available in

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  13. 80 ml of solution contains 20 g of solute .Calculate the concentration...

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

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  18. Which method is suitable to separate salt from sea water?

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  20. Sir, Humphry Davy is appreciable, because, he was extremely successful...

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