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प्रश्न
Name any two laws of chemical combination.
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उत्तर
Two laws of chemical combination are:
- Law of conservation of mass
- Law of multiple proportions
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संबंधित प्रश्न
Which part of the Dalton's atomic theory came from the law of constant proportions given by Proust ?
State the various postulates of Dalton’s atomic theory of matter.
The law of constant proportions was given by :
In water, the proportion of oxygen and hydrogen by mass is :
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 electrons than the normal atoms ?
What do we call those particles which have less electrons than the normal atoms ?
What do we call those particles which are formed by the gain of electrons by atoms ?
Work out the formulae for the following compounds :
Sodium oxide
In water, hydrogen and oxygen are combined in the ratio of _____ by mass.
