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The law of conservation of mass was give...

The law of conservation of mass was given by :

A

Dalton

B

Proust

C

Lavoisier

D

Berzelius

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The correct Answer is:
C
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LAKHMIR SINGH & MANJIT KAUR-ATOMS AND MOLECULES-Exercise
  1. One of the following elements has an atomicity of 'one' . This ele...

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  2. The English name of an element is potassium, its Latin name will be...

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  3. The law of conservation of mass was given by :

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  4. The element having atomicity 'four' is most likely to be :

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  5. If 1.4 g of calcium oxide is formed by the complete decomposition of c...

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  6. The law of constant proportions was given by

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  7. Out of ozone, phosphorus, sulphur and krypton, the elements having the...

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  8. One nm is equal to :

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  9. The scientist who proposed the first letter (or first letter and anoth...

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  10. The atoms of which of the following pair of elements are most likely ...

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  11. Which of the following elements has the same molecular mass as its ato...

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  12. In water, the proportion of oxygen and hydrogen by mass is :

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  13. In hydrogen peroxide (H(2)O(2)), the proportion of hydrogen and oxyg...

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  14. The symbols of the elements cobalt, aluminium, helium and sodium respe...

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  15. Copper sulphate reacts with sodium hydroxide to form a blue preci...

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  16. Potassium chlorate decomposes, on heating, to form potassium chlori...

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  17. In an experiment, 4.90 g of copper oxide was obtained from 3.92 g of...

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  18. Magnesium and oxygen combine in the ratio of 3 : 2 by mass to for...

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  19. When 5g of calcium is burnt in 2g of oxygen, then 7 g of calcium o...

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  20. An liquid compound X of molecular mass 18 u can be obtained from a n...

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