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The law of multiple proportions was prop...

The law of multiple proportions was proposed by

A

Lavoisier

B

Dalton

C

Proust

D

Gay Lussac.

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The correct Answer is:
B
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The law of multiple proportion is illustrated by the two compounds :

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Carbon and oxygen combine to form two oxides, carbon monoxide and carbon dioxide in which the ratio of the weight of carbon and oxygen is respectively 12:16 and 12:32 . These figures illustrate the : (a)law of multiple proportions (b)law of reciprocal proportions (c)law of conservation of mass (d)law of constant proportions

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Knowledge Check

  • Chemical equation is balanced according to the law of multiple proportions reciprocal proportions conservation of mass definite proportions.

    A
    multiple proportions
    B
    reciprocal proportions
    C
    conservation of mass
    D
    definite proportions.

  • The law of limiting factors was proposed by

    A
    R. Emerson
    B
    Robert Hill
    C
    D. Amon
    D
    F.F. Blackman
    • ICSE-SOME BASIC CONCEPTS OF CHEMISTRY -OBJECTIVE (MULTIPLE CHOICE) TYPE QUESTIONS (CHOOSE THE CORRECT OPTION IN THE FOLLOWING QUESTIONS)
    1. The law of multiple proportions was proposed by

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    2. Name a metal found abundantly in the earth's crust.

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    3. Which of the following is a chemical change ?

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    4. The isotopes of an element have

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    5. A compound with empirical formula C2H5O has a vapour density of 45. Th...

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    6. Water and hydrogen peroxide illustrate the law of

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    7. The number of grams of H2SO4 required to dissolve 5 g of CaCO(3) is:

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    8. The mass of a mole of electrons is: 0.008 g 0.184 g 0.55 mg 1.673

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    9. The number of atoms in 0.004 g of magnesium is close to

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    10. Two samples of lead oxide were separately reduced to metallic lead by ...

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    11. Chemical equation is balanced according to the law of multiple proport...

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    12. The number of water molecules in one litre of water is:

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    13. The total number of electrons present in 18 mL of water (density of wa...

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    14. 18 g of water contain:

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    15. An oxide of metal M has 40% by mass of oxygen. Metal M has relative at...

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    16. The mass of an atom of oxygen is:

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    17. 1 mole of methane (CH4) contains

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    18. Two elements A (At. wt. 75) and B (At. wt. 16) combine to yield a comp...

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    19. The equivalent mass of MnSO4 is half of its molecular mass when it is ...

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    20. 5 mL of N HCI, 20 mL of N/2 H2SO4 and 30 mL of N/3 HNO3 are mixed tog...

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