Answer:
1.subtance
2.mixture
3 mixture
Explanation:
1.cooking rice is a chemical change because during this process one substance reacts with another to undergo a change in chemical composition . chemical changes brings change in the chemical properties of rice and we get a new substance that is cooked rice!!
2.Cement is a mixture because it is composed of different types of compound particles. Each of the components of concrete by themselves would be pure substances.
3.Ordinary table salt is called sodium chloride. It is considered a pure substance because it has a uniform and definite composition a mixture
