Advertisements
Advertisements
प्रश्न
What do you observe when Carbon dioxide gas is passed through lime water.
उत्तर
When CO2 gas is passed through lime water it forms calcium carbonate which is white precipitate (turbidity). This gives the milky white appearance to the solution.
APPEARS IN
संबंधित प्रश्न
What is greenhouse effect?
How is greenhouse effect produced?
How is air useful to agriculture?
Write ‘true’ or ‘false for the following;
Air is a compound.
Tick (√) the correct alternative from the choice given for the following statement.
The substance which accelerates the speed of a reaction without itself undergoing any change is called
State the meaning of the term Air
Air has variable composition and hence there is ______ oxygen at lower altitudes than at higher altitudes.
Wind does not help in the movement of which of the following?
In the boxes of Column, I the letters of some words got jumbled. Arrange them in proper form in the boxes given in Column II
| Column I | Column II | ||
| (a) | DILLMWIN | (a) | |
| (b) | YNOGXE | (b) | |
| (c) | MESKO | (c) | |
| (d) | TUDS | (d) | |
Explain the following observations very briefly
A firki does not rotate in a closed area.
