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प्रश्न
The law of constant proportions was given by :
पर्याय
Proust
Lavoisier
Dalton
Berzelius
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उत्तर
Proust
The law of constant proportion was proposed by Joseph Proust.
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संबंधित प्रश्न
Name the scientist who gave law of constant proportions.
Name any two laws of chemical combination.
Give one major drawback of Dalton's atomic theory of matter.
State the law of constant proportions. Give one example to illustrate this law.
When 5 g of calcium is burnt in 2 g of oxygen, then 7 g of calcium oxide is produced. What mass of calcium oxide will be produced when 5 g of calcium is burnt in 20 g of oxygen ? Which law of chemical combination will govern your answer ?
What do we call those particles which have more or less electrons than the normal atoms ?
What do we call those particles which have less electrons than the normal atoms ?
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.
