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ECAT Chemistry Chapter 27 Environmental Chemistry Online Test
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Total Questions30
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Time Allowed30
ECAT Chemistry Chapter 27 Environmental Chemistry Online Test
Most hazardous metal pollutant of automobile exhaust is
Atomospheric pollutant is
Ozone depletion in stratosphere shall result in
Sulphur dioxide affects
Biodegradable pollutant is
Acid rain is caused when various atmospheric gases dissolve in rain water. What are the gases that cause rain water
Environmental pollution affects
Mottling of teeth is due to presence of an element in drinking water
Which step is unnecessary for purification of water for drinking purposes
Which one of the following is not air pollutant gas
One of the environmental problem is the formation of oil slicks when oil is spilled from tankers in sea water. Which treatment is suitable to remove oil slicks
Which one is the most toxic?
Industrial effuents have toxic synthetic organic compounds as well as heavy metals like
Acid rains are produced by
Which is not the condition for the formation of smog
In water the most important oxidizing agent is dissolved molecular oxygen which ranges from
Which factor is helping to reduce the environmental pollution
Ecology is a science of environment and deals specially with
Increased asthmatic attacks in certain seasons are related to
Which one is the major reason for pollution in high cities?
Air pollution is not caused by
Which one is not a pollutant normally?
Domestic waste mostly constitutes
The % of CO2is the atmosphere is
Contamination of Hg comes into surface water from chlor industrial wastes. Why is Hg toxic
Ozone in most of the tropical regions acts as a pollutant and causes
Phosphate pollution is caused by
Cyclone collector is used for minimizing
Water which his considered to be safe for human consumption is known as
Swage water is purified by
Matric Part 2/10th Class English Chapter 1 MCQ Test With Answer for Chapter 1 Hazrat Muhammad (S.A.W) an Embodiment of Justice
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Biology Chapter 1 - Answers Mode
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Biology Chapter 1 MCQ - PDF
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Download PDF with answers to study online or offline. The PDF cotnains all MCQ questions with answers for Class 10 Biology Chapter 1 - Acids and Liquids. Total questions are 12.
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