The specific temperature at which a substance changes from a liquid to a gas is an example of a a. chemical bond. b. chemical change. c. physical property. d. chemical property.

Option (c) is the correct answer.

Explanation:

A specific temperature at which a substance is changing from solid state to liquid state is known as boiling point.

When there occurs no change in chemical composition of a substance then it is known as a physical property.

For example, when ice melts it changes into liquid.

Whereas when there occurs change in chemical composition of a substance then it is known as a chemical property.

For example, formation of methane gas from carbon and hydrogen atom is a chemical change.

Thus, we can conclude that the specific temperature at which a substance changes from a liquid to a gas is an example of a physical property.

in chemistry, adhesion and cohesion are attractive forces that exist between molecules. they hold the molecules together from each other. they are different in that adhesive force exists between molecules of different substance while cohesive force happens between molecules of same substance.

adhesion between water and glass causes water molecules at the edge of water and glass interface to climb up the wall in a narrow glass tube. this is called capillary action. cohesion is what gives glass its shape and causes water to form a droplet.