Advertisements
Advertisements
प्रश्न
Which postulate of Dalton's atomic theory is the result of law of conservation of mass given by Lavoisier ?
Advertisements
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.”
APPEARS IN
संबंधित प्रश्न
When 3.0 g of carbon is burnt in 8.00 g oxygen, 11.00 g of carbon dioxide is produced. What mass of carbon dioxide will be formed when 3.00 g of carbon is burnt in 50.00 g of oxygen? Which law of chemical combinations will govern your answer?
Give one major drawback of Dalton's 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.
What do we call those particles which have more or 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
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 ______.
