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प्रश्न
Which postulate of Dalton's atomic theory is the result of law of conservation of mass given by Lavoisier ?
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उत्तर
The postulate of Dalton's atomic theory, which is the result of the law of conservation of mass proposed by Lavoisier, states that, “Atoms can neither be created nor destroyed.”
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संबंधित प्रश्न
Name the scientist who gave atomic theory of matter.
State the law of constant proportions. Give one example to illustrate this law.
State the various postulates of Dalton’s atomic theory of matter.
In water, the proportion of oxygen and hydrogen by mass is :
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 ?
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.
In water, hydrogen and oxygen are combined in the ratio of _____ by mass.
