10th Chemistry Chapter 6 Exercise Test Online-MCQ Test
Chapter 6 Test
Environmental Chemistry
Environmental Chemistry
(I) About 99% of the atmosphere’s mass lies within: (ch14)
a) 30 kilometres
b) 35 kilometres
c) 15 kilometres
d) 11 kilometres
(II) Depending upon temperature variation, the atmosphere is divided into: (ch14)
a) One region
b) Two regions
c) Three regions
d) Four regions
(III) Just above the Earth’s surface is: (ch14)
a) Mesosphere
b) Stratosphere
c) Thermosphere
d) Troposphere
(IV) A group of gases that maintains the temperature of the atmosphere is: (ch14)
a) Carbon dioxide and water vapours
b) Nitrogen and carbon dioxide
c) Oxygen and water vapours
d) Nitrogen and oxygen
(V) The Earth’s atmosphere is getting hotter because of: (ch14)
a) Increasing concentration of CO
b) Increasing concentration of CO₂
c) Increasing concentration of O₃
d) Increasing concentration of SO₂
(VI) Which one of the following is not a Greenhouse Effect? (ch14)
a) Increasing atmospheric temperature
b) Increasing food chains
c) Increasing flood risks
d) Increasing sea-level
(VII) Normally rainwater is weakly acidic because of: (ch14)
a) SO₃ gas
b) CO₂ gas
c) SO₂ gas
d) NO₂ gas
(VIII) Buildings are being damaged by acid rain because it attacks: (ch14)
a) Calcium sulphate
b) Calcium nitrate
c) Calcium carbonate
d) Calcium oxalate
(IX) Acid rain affects the aquatic life by clogging fish gills because of: (ch14)
a) Lead metal
b) Chromium metal
c) Mercury metal
d) Aluminium metal
(X) Ozone is beneficial for us as it: (ch14)
a) Absorbs infrared radiations
b) Absorbs ultraviolet radiations
c) Absorbs chlorofluorocarbons
d) Absorbs air pollutants
10th Chemistry Chapter 6 Exercise MCQ Test Online
The online exercise test for 10th Chemistry Chapter 6: Environmental Chemistry – The Atmosphere focuses solely on exercise MCQs, helping students build a solid foundation in topics related to the atmosphere, air pollution, and the impact of chemicals on the environment. This test is tailored to cover the MCQs from the chapter’s exercise, providing a focused practice platform. For additional educational resources, visit Mr Pakistani, and check out our YouTube channel Asif Brain Academy for detailed tutorials and expert guidance.