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If water sample are taken from sea, rive...

If water sample are taken from sea, rivers or lake, they will be found to contain hydrogen and oxygen in the approximate ratio of `1 : 8`. This indicates the law of :

A

Multiple proportion

B

Definite proportion

C

Reciprocal proportion

D

None of these

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The correct Answer is:
B
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MOTION-MOLE CONCEPT-EXERCISE - 1
  1. The density of air is 0.001293 gm/ml at S.T.P. It’s vapour density is ...

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  2. Hydrogen and oxygen combine to from H(2) O(2) and H(2)O containing 5....

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  3. If water sample are taken from sea, rivers or lake, they will be found...

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  4. Which one the following combinations illustrate law of reciprocal p...

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  5. The law of multiple proportion is illustrated by

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  6. The law of conservation of mass holds good for all of the following ex...

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  7. If law of conservation of mass was to hold true, then 20*8 g of BaCl(2...

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  8. The percentage of nitrogen in urea is about:

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  9. Insulin contains 3.4% sulphur by mass. What will be the minimum molecu...

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  10. The per cent of N "in" 66% pure (NH(4))(2)SO(4) sample is:

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  11. The haemoglobin from red blood corpuscles of most mammals contain appr...

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  12. A compounds was found to contain 5.37% nitrogen. What is the minimum m...

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  13. An element A ( at. wt . = 75) and B( at. wt . =25) combine to form a c...

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  14. The empirical formula of a compound is CH. Its molecular weight is 78....

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  15. An oxide of a metal (M) contains 40% by mass of oxygen. Metal (M) has ...

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  16. A compound contains 69.5% oxygen and 30.5% nitrogen and its molecule w...

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  17. The formula which represents the sample ratio of atoms in a compound i...

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  18. On analysis, a certain compound was found to contain 524g of iodine (a...

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  19. 14gm of element X combine with 16gm of oxygen. On the basis of this in...

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  20. 1*2 g of Mg (At mass 24) will produce MgO equal to

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