Question

1.What is the density of water?
2.State 2 factors which increases the solubility of solute in solvent.
3.Why do aquatic animals die in boiled water?
4.what is rainwater harvesting?
5.what is water pollution?
6.what is flood and drought?

Answer 1

Answer:

1. The density of water is 1gm/cc at 4°C.
2. Heating and Stirring.
3. Boiled Water is deprived of oxygen, i.e. , there is no oxygen. For want of oxygen animals die in boiled water.
4. In the process rainwater is collected from roofs of building and then with the help of pipes carried to tanks for storage.
5. Undesirable changes in the properties of water that make it unfit for human consumption, is called water pollution.
6. Collection of huge amount of water due to heavy rainfall or over flowing of rivers is called flood. Drought is the condition of usually dry weather within a geographical region rain for along duration continuously or receives very less rainfall.

Explanation:

Hope it helps!