Chemistry MCQs
Chemistry MCQs by CSSMCQs
Here, you will find all Chemistry MCQs with their Answers. These MCQs would help you achieve good marks in ALL kinds of entry tests of FPSC, PPSC, KPPSC, SPSC, NTS, PTS, OTS, CTS, MDCAT, ECAT, ETEA, NUMS and all other entry tests preparation etc. They will also help you get better marks in any types of job or university admission tests. Our focus will be on the fundamental level of the Chemistry course. However, advance level and its main branches MCQs will also be shared with their correct answers. For other subject’s MCQs Click HERE
The horizontal rows of the periodic table are called ______?
A. Groups
B. Periods
C. Sets
D. Matrices
How many valence electrons are in chlorine(cl) atom?
A. Chlorine has 1 valence electrons
B. Chlorine has 2 valence electrons
C. Chlorine has 7 valence electrons
D. Chlorine has 6 valence electrons » Read More…
Intrinsic Semi-conductor is also called as__________?
A. Impure-Conductor
B. Pure-Conductor
C. Simple Conductor
D. None of these
Phosphorous contains which of the following?
A. Organisms
B. Soil and water
C. Air
D. All of above
Where ozone layer lies from the earth surface?
A. 10 to 20 km
B. 20 to 30 km
C. 30 to 40 km
D. 40 to 50 km