Consider the following statement(s).

1. The amount of heat required to change 1 kg solid into liquid at atmospheric pressure and at its melting point is called the latent heat of fusion.
2. The phenomenon of change of a liquid into vapors at any temperature below its boiling point called sublimation.
3. The process of conversion of a liquid into its vapor is called boiling.
4. The process of converting solid into the gaseous state is called evaporation.

Which of the above statement(s) given above is/are correct?

Consider the following statements and choose the correct option:

1. No change in volume occurs on dissolving sugar in water.
2. Sugar particles go into the empty spaces present in the particles of water.

Some suspensions are given:

1.Fog
2. Air
3. Blood
4. Paint
5. Aerosol spray

Among the following, true suspensions are:

Match Column I with Column II and select the correct answer using the codes given below:

Codes:
A  B C  D

Consider the following table:

A, B and C in the given table are:

Which of the following is/are true when milk changes into curd?

1. It changes color.
2. The change cannot be reversed.
3. It changes the taste.
4. Its state is changed from liquid to semi-solid.

Choose the correct option from below:

Identify the correct statements.

1. The freezing of water into ice is a chemical change.
2. The changes occur inside the molecular composition is a chemical change.
3. A new substance is obtained in a chemical change.
4. The change in shape, size and state is a chemical change.
Select the correct answer from the given below code.