Give an example of some familiar process in which heat is added to an object , without changing its temperature .

Give an example of some familiar process in which no heat is added to or removed form a system,but the temperature of the system changes.

Give four examples of chemical change.

Give an example for anabolic and catabolic process.

Give four examples of physical change.

Whenever there is a change in the state of a substance, without change in temperature, then

Change in heat energy of the object when its temperature is changed:

The quantity of heat required to convert unit mass of a substance from its solid state to the liquid state, at its melting point without change in its temperature is called as

Give some examples of electrophiles.

Give some examples of anionic nucleophiles.