Question

The heat supplied or extracted for conversion of phase does not bring about any change in................ .
Supplied or rectus for conversion of phase does not bring about any change in search it

Answer 1

Answer:

Fill in the blank

1- Atom are the smallest particles of an element that can take part in a chemical reaction

2- The endothermic of the reactants and that of the products are exothermic in a chemical reaction

3- combustion of paper results in formation of ash water vapour, carbon dioxide.

4- A chemical reaction is not capable of creating or destroying atoms

5- solution of silver nitrate and hydrochloric acid on mixing give a silver chloride precipitate of temperature and is called latent heat

True or false

1- melting is an endothermic change - False

2- condensation is an exothermic change - True

3- vaporisation is an exothermic change - True

4- The molecules in a solid are perfectly motionless - False

5- Intermolecular attraction in gases is the highest among the three phases - False

6- Kinetic energy is the energy due to motion - True

7- In an endothermic change, there is contraction in the volume of matter - False

8- potential energy is the stored energy of molecules- True

9- melting point and freezing point of a substance are equal- False

match the following

1- melting- solid to liquid

2- vaporisation- Liquid to gas

3- Freezing- Liquid to solid

4- Deposition- solid to gas

5- condensation- Gas to liquid

6- sublimation- Gas to solid