1. Which of the following is NOT an example of a compound?
A Gun Powder
B. Salt
C.Smoke from cars
D.Oxygen

2. Which is NOT an example of a compound?
A. Bases
B. Acids
C. Mixtures
D. Elements

3. Which of the following is not a group of elementa?
A Metal
B. Nonmetal
C. Metalloid
D. Iron

4. Which of the following shows set of properties of an element?

A Made up of big particles of atom.

B. Joined through chemical process

C.Composed of one element with same properties.

D. Joined through mechanical process.

5. When carbon and oxygen is combined through chemical process they will end
up producing

A Element
B Compound
C. Substance
D. Acid

6. When you have 2 Hydrogen atoms combined it will end up producing a

A. Mixture
Compound
C. Pure Substance
D. Base

7. When two different atoms combined it will be produced

A. Mixture
B. Another substance
C. Compound
D. Pure Substance