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Chemistry for kids and understanding chemistry for high class with online quiz is the best method for thest preparations. if you need any chemical chemistry mcqs then you can solve mcqs with quiz. Chemistry websites for university students and for the chemistry organic chemistry tutor here.
Chemistry MCQs Quiz For Entry Test Uni Chemist
1. Organic molecules are completely burnt during incineration at temperature (C°)
650-700
800-850
950-1300 (Answer)
850-950
2. The purpose of recycling is to:
Conserve source
Conserve energy
Conserve raw material
All of these (Answer)
3. Chloroform is carcinogenic:
Kidney
Heart
Lungs
Liver (Answer)
4. The main pollutant of leather tanneries in the waste water is due to the salt of:
Lead
Chromium (VI) (Answer)
Chromium (III)
Copper
5. A significant source of dioxins, a class of carcinogen compounds is:
Landfill
Effluent
Leachate
Incineration (Answer)
6. Depletion of ozone is more during the month:
Sept-Nov (Answer)
April-June
July-Aug
Jan-March
7. The largest recycled item is:
Newspaper (Answer)
Aluminium
Plastics
Glass
8. Which one is more toxic?
Ag
C
Hg (Answer)
Fe
9. Ozone in stratosphere extends upto km:
10-15 km
15-40 km (Answer)
0-15 km
15-25 km
10. DDT is a:
Herbicide
Insecticide (Answer)
All
Funicide
11. Fungicides are the pesticides which:
Control the growth of fungus (Answer)
Kill herbs
Kill insects
Kill plants
12. Ozone act as:
Pollutant
Oxidant
Saver
All of these (Answer)
13. Augus Smith discovered in the mid of seventeenth century:
Fertilizer
Acid rain (Answer)
Base
Acid
14. Phenomenon of acid rains gain importance in:
1950s (Answer)
1960s
1930s
1940s
15. Most common recycled domestic materials are:
Paper
Glass
Plastic
All of these (Answer)
