Question

C. State whether True or False (T/F).
1. Molecules can move very easily in solids.
2. The kinetic energy increases with increase in temperature.
3. There can be gain or loss of mass in case of change of state.
A molecule exhibits all properties of matter.
4.
5. Molecules of a substance move in a fixed manner.​

Answer 1

1. The statement is false. because the molecules in solids are very tightly packed hence they can't move. They have minimum intermolecular space in them.

2. The statement is true as the kinetic energy is directly proportional to temperature.

3. The statement is false as according to the law of conservation of mass the mass of any object must remain constant.

4. The statement is true.

5. The statement is true as all the states of matter are always in a constant motion.

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