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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
Name the scientist who gave atomic theory of matter.
The atomic theory of matter was proposed by :
The law of constant proportions was given by :
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
Work out the formulae for the following compounds:
Calcium carbonate
The same proportion of carbon and oxygen in the carbon dioxide obtained from different sources proves the law of ______.
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?
