Environmental Chemistry
Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.
Atmospheric Pollution
SubtopicAtmospheric Pollution under Environmental Chemistry for Grade 11 ICSE.
Preview questions (no answers)
- 1.
Which of the following gases is NOT considered a greenhouse gas?
A.B.C.D. - 2.
Dry deposition and wet deposition are terms related to the removal of pollutants from the atmosphere through which process?
A.Ozone formation
B.Acid rain
C.Photosynthesis
D.Nitrogen fixation
- 3.
Which part of the atmosphere contains about 80% of the total mass of air?
A.Troposphere
B.Stratosphere
C.Mesosphere
D.Thermosphere
Download the worksheet for Environmental Chemistry - Atmospheric Pollution to practice offline. It includes additional chapter-level practice questions.
Water and Soil Pollution
SubtopicWater and Soil Pollution under Environmental Chemistry for Grade 11 ICSE.
Preview questions (no answers)
- 1.
What is the primary purpose of 'Primary Treatment' in a sewage treatment plant?
A.To kill bacteria with UV light
B.To remove large floating objects and grit
C.To neutralize the pH of the water
D.To remove dissolved nitrates and phosphates
- 2.
Which gas is primarily responsible for the acidity in 'acid rain' that affects soil chemistry?
A.Helium
B.Sulfur dioxide ()
C.Methane
D.Neon
- 3.
The accumulation of pesticides in the fatty tissues of birds can lead to:
A.Stronger eggshells
B.Thinning of eggshells
C.Increased fertility
D.Better flight capability
Download the worksheet for Environmental Chemistry - Water and Soil Pollution to practice offline. It includes additional chapter-level practice questions.
Green Chemistry
SubtopicGreen Chemistry under Environmental Chemistry for Grade 11 ICSE.
Preview questions (no answers)
- 1.
In Green Chemistry, 'inherently safer chemistry' aims to reduce the risk of:
A.High profits
B.Accidents, explosions, and fires
C.Fast reactions
D.Low yields
- 2.
Which of the following is considered a 'Green' fuel?
A.Leaded petrol
B.Biodiesel
C.Coal
D.Heavy fuel oil
- 3.
Which of these is a major goal of 'Real-time monitoring' in a chemical plant?
A.To see how many workers are present
B.To prevent the formation of hazardous byproducts during a reaction
C.To watch the clock until the shift ends
D.To check the brightness of the lab lights
Download the worksheet for Environmental Chemistry - Green Chemistry to practice offline. It includes additional chapter-level practice questions.
Ozone Depletion and Global Warming
SubtopicOzone Depletion and Global Warming under Environmental Chemistry for Grade 11 ICSE.
Preview questions (no answers)
- 1.
What is the effect of global warming on the pH of the oceans?
A.It increases pH (alkaline)
B.It decreases pH (acidification)
C.It has no effect on pH
D.It turns the water neutral
- 2.
Which of these is a major source of nitrous oxide in the atmosphere?
A.Photosynthesis
B.Nitrogen-fixing bacteria and fertilizer use
C.Volcanic ash
D.Evaporation of seawater
- 3.
The ozone layer prevents the majority of which type of solar radiation from reaching the ground?
A.Radio waves
B.Microwaves
C.Ultraviolet radiation
D.Visible light
Download the worksheet for Environmental Chemistry - Ozone Depletion and Global Warming to practice offline. It includes additional chapter-level practice questions.