How does an indicator work

Indicators are substances whose solutions change color due to changes in pH

Explanation:

EXPLANATION

Explanation:

[not sure exactly what you mean by indicator but here's my very basic answer lol] They are substances that change color due to changes in pH levels.

answer; /// i do believe that the correct answer is (c)nuclear bond

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.