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Standard XII
Chemistry
Laws of Definite Proportions, Multiple Proportions
The law of mu...
Question
The law of multiple proportion was discovered by:
A
John Dalton
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B
Richter
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C
Joseph Proust
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D
A. Lavoisier
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Solution
The correct option is
D
John Dalton
John Dalton
discovered the law of multiple proportion.
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Q.
The law of constant proportions was given by :
(a) Proust
(b) Lavoisier
(c) Dalton
(d) Berzelius
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The law of conservation of mass was given by :
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Assertion :Pure water obtained from different sources such as river, well, spring, sea etc. always contain hydrogen and oxygen combined in the ratio
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by mass. Reason: A chemical compound always contains elements combined together in same proportion by mass, it was discovered by French chemist, Joseph Proust (1799).
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The law of the multiple proportion was proposed
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