Analyst Questions

The atomic mass of an element depends upon the number of protons, electrons and neutrons in the atoms which make the elements.

The National Defence Academy is formed by combining the cadets of three services Army, Navy and Air force. The Defence academy established on 7 December 1954. Its motto is "Service Before Self."

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,...

In economics, the cost of something is what you give up to get it.

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