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Which one is the best example of law of ...

Which one is the best example of law of conservation of mass?

A

6g of carbon is heated in vacuum, there is no change in mass.

B

6g of carbon combines with 16g of oxygen to form 22g of `CO_(2)`.

C

6g water is completely converted into steam.

D

A sample of air is heated at constant pressure when its volume increases but there is not change in mass.

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The correct Answer is:
B
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OP TANDON-BASIC PRINCIPLES-OBJECTIVE QUE.
  1. The law of multiple proportions is illustrated by the pair of compound...

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  2. In compound A,1,.0g nitrogen combines with 0.57g oxygen. In compound B...

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  3. Which one is the best example of law of conservation of mass?

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  4. A chemical equation is balanced according to the law of:

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  5. SO(2) gas was prepared by (i) burning sulphur in oxygen, (ii) reacting...

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  6. A sample of CaCO(3) has Ca=40%,C=12% and O=48% . If the law of constan...

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  7. Potassium combines with two isotopes of chlorine (.^(35)Cl "and" .^(37...

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  8. Different proportions of oxygen in the various oxides of nitrogen, pro...

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  9. One part of an element A combines with two parts of B (another element...

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  10. H(2)S contains 5.88% hydrogen, H(2)O contains 11.11% hydrogen while SO...

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  11. Number of atoms in 4.25 g of NH(3) is:

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  12. Hydrogen combines with chlroine to form HCl. It also combines with sod...

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  13. Zinc sulphate contains 22.65% n and 43.9% H(2)O . If the law of consta...

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  14. 3 g of a hydrocarbon on combustion in excess of oxygen produces 8.8g o...

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  15. In the reaction N(2)+3H(2)rarr2NH(3). The ratio of volumes of nitrogen...

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  16. Two volumes of ammonia, on dissociation gave one volume of nitrogen an...

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  17. If 6 litre of H(2) of Cl(2) are mixed and exploded in an eudiometer, t...

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  18. The law of constant proportions was enunciated by:

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  19. An important postulate of Dalton's atomic theory is

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  20. Which one of the following relationship is correct?

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