Question

choose the correct option:

★Define Latent heat of Vaporisation.

1) Latent heat of Vaporisation is the heat energy required to change 1g of a liquid to gas at atmospheric pressure at its boiling point.

2) None of these

3)Latent heat of Vaporisation is the heat energy required to change 1kg of a liquid to gas at atmospheric pressure at its boiling point.

4) Latent heat of Vaporisation is the heat energy required to change 1kg of a liquid to gas at any pressure at its melting point.​

Answer 1

Answer:

the answer to given question is option 1

Answer 2

Answer:

Frictional Force refers to the force generated by two surfaces that contacts and slide against each other. These forces are mainly affected by the surface texture and quantity of force requiring them together. The angle and position of the object affect the volume of frictional force

Why not

Btw

Same I am also Rathour