Advertisements
Advertisements
प्रश्न
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?
Advertisements
उत्तर
- Water obtained from different sources like a well, a pond, a river, and underground water will always consist of the same two elements hydrogen and oxygen in the ratio of 1: 8 by mass.
- It obeys the law of constant proportion.
APPEARS IN
संबंधित प्रश्न
Which postulate of Dalton’s atomic theory can explain the law of definite proportions?
Name the scientist who gave atomic theory of matter.
Which part of the Dalton's atomic theory came from the law of constant proportions given by Proust ?
The law of constant proportions was given by :
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 have more electrons than the normal atoms ?
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 ?
The same proportion of carbon and oxygen in the carbon dioxide obtained from different sources proves the law of ______.
