Advertisements
Advertisements
Question
The atomic theory of matter was proposed by :
Options
John Kennedy
Lavoisier
Proust
John Dalton
Advertisements
Solution
John Dalton
The atomic theory of matter was proposed by John Dalton.
APPEARS IN
RELATED QUESTIONS
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?
Name the scientist who gave atomic theory of matter.
State the law of constant proportions. Give one example to illustrate this law.
Which postulate of Dalton’s atomic theory can explain the law of constant proportions ?
In water, the proportion of oxygen and hydrogen by mass is :
In an experiment, 4.90 g of copper oxide was obtained from 3.92 g of copper. In another experiment, 4.55 g of copper oxide gave, on reduction, 3.64 g of copper. Show with the help of calculations that these figures verify the law of constant proportions.
What do we call those particles which are formed by the gain of electrons by atoms ?
What do we call those particles which are formed by the loss of electrons by atoms ?
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.
