Chemistry MCQS

1. Gasses expand approximately __________ times more than solids.
(A) 100
(B) 200
(C) 300
(D) 400

2. The symbol for Iron is __________ .
(A) Pb
(B) Fe
(C) He
(D) I

3. The fastest moving molecule is ___________ .
(A) Hydrogen
(B) Nitrogen
(C) Oxygen
(D) Ideal gasses

4. The pH value of clay is __________ .
(A) 4
(B) 5
(C) 6
(D) 7

5. The pH value ______ of a substance is consider neutral.

(A) 4
(B) 5
(C) 6
(D) 7

6. __________ is used to produce yellow street lights.
(A) Carbon
(B) Sodium
(C) Chlorine
(D) Mercury

7. Halogen means __________ .
(A) salt maker
(B) real gasses
(C) toxic gasses
(D) greenish



ANSWERS

1. C
2. B
3. A
4. C
5. D
6. B
7. A