Home

General Chemistry MCQ Question with Answer

General Chemistry MCQ with detailed explanation for interview, entrance and competitive exams. Explanation are given for understanding.

Download General Chemistry MCQ Question Answer PDF

Try General Chemistry Mock Test

Question No : 15
Harmful bacteria in drinking water cannot be destroyed by

chlorination
boiling
adding caustic soda
ozonisation

Question No : 16
Temporary hardness is due to the presence of

calcium carbonate
calcium bicarbonate
magnesium sulphate
calcium sulphate

Question No : 17
The gas used in balloons in the place of hydrogen is

nitrogen
helium
neon
argon

Question No : 18
Tincture iodine is a solution of

iodine in potassium iodide
iodine in alcohol
iodine in water
iodine in carbon disulphide

Question No : 19
Which of the following process involves removal of the elements of water?

Hydrolysis
Hydrogenation
Dehydration
Dehydrogenation

Question No : 20
Which of the following types of water gives lather easily with soap?

Hard water
Heavy water
Soft water
Both (a) and (b)

Question No : 21
Ozone occurs in the upper layers of air in the atmosphere because

it is lighter than air
in the lower layers it becomes unstable
ultra-violet light is present only in the upper layers
it mixes freely with O2 in the upper layers

Wanna test your skill? Here are some exams we prepared for you. So if you need to test your skill just attempt any exam from bellow.

Exam Name No. Of Q Attempted Link
Chemistry set 1 30 3165 Start
Chemistry set 2 30 1744 Start
Chemistry set 3 30 1513 Start
Chemistry set 4 30 1594 Start
Chemistry set 5 30 1612 Start
Chemistry set 6 30 1406 Start
Chemistry set 7 30 1674 Start
Chemistry set 8 30 1483 Start
Chemistry set 9 30 1424 Start
Chemistry set 10 30 1657 Start
Chemistry set 11 30 1508 Start
Chemistry set 12 30 1639 Start