State whether the following statements are true or false?

The effects of heat on a substance is the substance may change its state from solid to liquid or from liquid to gas.

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True

False

answer is A.

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Detailed Solution

The given statement is true.
Concept- When a substance is heated, the molecules and atoms vibrate quicker. The distance between atoms expands as they vibrate faster. The velocity and spacing of the particles determine the substance's state of matter. The thing grows and takes up more space as a result of enhanced molecular mobility.
Heat has a variety of consequences. It can be both chemical and physical.
The following are the significant effects of heat on an object:
1. Increases the temperature
2. Boosts loudness.
3. Alters the state.
4. Causes chemical action.
5. Modifies physical attributes
Other impacts of heat on a substance include:
1. When a substance is heated, its particles travel faster as the temperature rises.

As a result, as speed and mass rise, so does kinetic energy. As a result, the temperature of the substance rises, and if heat is removed from it, the temperature falls.
2. When a substance emits heat, the separation of its particles grows due to the vibration of the particles about their heat, temperature rises to a constant value, and then the heat is used to increase the gap between the particles, resulting in a change in the state of the substance.
Hence, the given statement is true.

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