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प्रश्न
The atomic theory of matter was proposed by :
पर्याय
John Kennedy
Lavoisier
Proust
John Dalton
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उत्तर
John Dalton
The atomic theory of matter was proposed by John Dalton.
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संबंधित प्रश्न
Name the scientist who gave atomic theory of matter.
Which part of the Dalton's atomic theory came from the law of constant proportions given by Proust ?
Which postulate of Dalton’s atomic theory can explain the law of constant proportions ?
The law of constant proportions was given by :
What do we call those particles which have more or less electrons than the normal atoms ?
Work out the formulae for the following compounds :
Sodium oxide
Work out the formulae for the following compounds:
Calcium carbonate
Two samples ‘m’ and ‘n’ of slaked lime were obtained from two different reactions. The details about their composition are as follows:
- ‘sample m’ mass: 7g
- Mass of constituent oxygen: 2g
- Mass of constituent calcium: 5g
- ‘sample n’ mass: 1.4g
- Mass of constituent oxygen: 0.4g
- Mass of constituent calcium: 1.0g
Which law of chemical combination does this prove? Explain.
The same proportion of carbon and oxygen in the carbon dioxide obtained from different sources proves the law of ______.
In water, hydrogen and oxygen are combined in the ratio of _____ by mass.
