Question

Rise in temperature of a substance increases its density True or False​

Answer 1

Answer:

As we know that density of a substance is given as the mass contained in the body per unit volume. Higher the volume of the material, lower is its density if its mass is kept constant. ... Therefore, with the increase in temperature the density of the substance will decrease.

Explanation:

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Answer 2

False

Reason

As we know that density of a substance is given as the mass contained in the body per unit volume. Higher the volume of the material, lower is its density if its mass is kept constant.

ρ=m/v

Now when temperature of a substance is raised, the volume increases while mass will stay constant in ideal situations. Therefore, with the increase in temperature the density of the substance will decrease.