Which of the following factors is not involved in the process of changing the state of matter?

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Pressure

Temperature

Lustre

Volume

answer is C.

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Detailed Solution

The state of matter refers to the physical form in which matter exists, such as solid, liquid, or gas. The state of matter can be changed by altering certain factors, including pressure, temperature, and volume. However, lustre, which is the property of a material to shine when light falls on it, is not involved in the process of changing the state of matter.

Pressure is a measure of the force exerted per unit area, and it can affect the state of matter by compressing gases and causing them to condense into liquids or solids. Temperature is a measure of the average kinetic energy of particles in a substance, and it can cause a substance to melt, evaporate, or freeze, depending on whether the temperature is increased or decreased.

Volume is the amount of space that a substance occupies, and it can also affect the state of matter by compressing or expanding the substance. However, lustre is a property of a material's surface, and it does not affect the substance's physical state.

In summary, the correct answer to the question is lustre, as it is not involved in the process of changing the state of matter.

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