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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 postulate of Dalton’s atomic theory can explain the law of definite proportions?
State the law of constant proportions. Give one example to illustrate this law.
The atomic theory of matter was proposed by :
In water, the proportion of oxygen and hydrogen by mass is :
What do we call those particles which have more electrons than the normal atoms ?
What do we call those particles which are formed by the loss of electrons by atoms ?
Work out the formulae for the following compounds:
Calcium carbonate
In water, hydrogen and oxygen are combined in the ratio of _____ by mass.
State the law of constant proportions.
Ruthresh, Hari, Kanishka, and Thahera collected different samples of water from a well, a pond, a river, and underground water. All these samples were sent to a testing laboratory. The test result showed the ratio of hydrogen to oxygen as 1:8.
- What conclusion would you draw from the above experiment?
- Which law of chemical combination does it obey?
