Advertisements
Advertisements
प्रश्न
In water, the proportion of oxygen and hydrogen by mass is :
विकल्प
1 : 4
1 : 8
4 : 1
8 : 1
Advertisements
उत्तर
8:1
In water, the ratio of oxygen to hydrogen is 8:1 by mass.
APPEARS IN
संबंधित प्रश्न
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 ?
Give one major drawback of Dalton's atomic theory of matter.
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 or less 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 ?
Work out the formulae for the following compounds:
Calcium carbonate
The same proportion of carbon and oxygen in the carbon dioxide obtained from different sources proves the law of ______.
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?
