Which of the following Chemicals cause pollution by damaging the Ozone layer ?
POLLUTION OF AIR AND WATER

Quiz
•
Chemistry
•
8th Grade
•
Hard
Hana Arakkal
Used 7+ times
FREE Resource
16 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Nitrogen oxides
Hydrochlorofluorocarbons
Carbon dioxide
Chlorofluorocarbons
2.
FILL IN THE BLANK QUESTION
10 sec • 1 pt
Air is a ________ of many gases that are present in a fixed ratio.
3.
FILL IN THE BLANK QUESTION
10 sec • 1 pt
What method is suggested for removing suspended impurities from water?
4.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
How can industrial effluent be treated to remove toxic substances?
Boiling
Adding chlorine tablets
Chemical treatment
Filtration through muslin cloth
5.
FILL IN THE BLANK QUESTION
10 sec • 1 pt
What is the term used for making filtered water germ-free by boiling?
6.
MULTIPLE SELECT QUESTION
10 sec • 1 pt
Which chemical is mentioned for treating water to make it germ-free?
Bleaching powder
Potassium permanganate
Chlorine tablets
Sodium bicarbonate
7.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Which action is recommended to prevent water pollution at an individual level?
Disposing garbage in rivers
Overusing pesticides and fertilizers
Saving and not wasting water
Ignoring laws for industrial units
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