Questions

China is the largest producer of Rice in the world.

A chemical reaction in which involves the absorption of heat from the environment is called a Endothermic reaction. 

Examples : Dissolving ammonium chloride in water, photosynthesis, melting ice cubes, mixing of potassium chloride with water,...

In the contrast, chemical reactions involving release of heat are known as exothermic reactions.

Examples : Combustion, coal is burnt, mix of CaO with water,...

The Indian Navy operates three operational Commands. They are

1. Western Naval Command - Mumbai

2. Eastern Naval Command  - Vishakhapatnam

3. Southern Naval Command - Kochi

Mitochondria which is present in both plant and animal cells supplies energy to the cells and hence called as the powerhouse of the cell.

We all human beings i.e man or woman.

As baby we crawl, as an adult we walk and as old aged we use walking stick for support.