Physical & Chemical Properties Of Matter

Question 1

How many ways can matter be changed? Name them.

Answer 1

2 ways

Physical & chemical change

Question 2

What is physical change?

Answer 2

Change in form or physical property of a substance. (No chemical reaction or creation of new substance)

Question 3

Example of physical change?

Answer 3

Solid ice—> water—> steam

Question 4

What is chemical change?

Answer 4

Change in chemical composition or makeup of a substance.

Question 5

Example of chemical change:

Answer 5

Alkali mixed with acid = water

Question 6

Characteristics that can be determined without a chemical reaction & do not involve a chemical change in substance (includes color, solubility, odor, density, melting point, boiling point, hardness & glossiness ) is a:

Answer 6

Physical property

Question 7

Characteristics that can be determined only by chemical reaction & involve a chemical change in the substance. (Ex: the ability of iron to rust or wood to burn, hair changing color through hair color and hydro peroxide)

Answer 7

Chemical property