Advertisements
Advertisements
Question
The same proportion of carbon and oxygen in the carbon dioxide obtained from different sources proves the law of ______.
Options
reciprocal proportion
definite proportion
multiple proportion
conservation of mass
Advertisements
Solution
The same proportion of carbon and oxygen in the carbon dioxide obtained from different sources proves the law of definite proportion.
APPEARS IN
RELATED QUESTIONS
Name the scientist who gave law of constant proportions.
Which part of the Dalton's atomic theory came from the law of constant proportions given by Proust ?
State the various postulates of Dalton’s atomic theory of matter.
The atomic theory of matter was proposed by :
What do we call those particles which have more or less electrons than the normal atoms ?
What do we call those particles which have more electrons than the normal atoms ?
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.
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?
