Question

4. The collisions between the molecules and container exert________on the walls of the container.
5. When a solid is heated, its molecules gain________
energy.
during a chemical reaction.
6. Matter is neither________
nor_______during a chemical reaction.​

Answer 1

Answer:

4.pessure

5.kinetic energy

6.be created , destroyed

Explanation:

4.molecules also have mass , so they can exert pressure

5.on heating any molecule gain kinetic energy

6.law of conservation of mass

Answer 2

1) pressure

2) kinetic energy

3) created or destroyed

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