Chemistry
Grade-6
Easy
Question
An excess of_________ in the air causes respiratory problems.
- Carbon dioxide
- Nitrogen
- Water vapors
- Dust particles
Hint:
Air pollution is the contamination of the indoor or outdoor environment by any chemical, physical or biological agent that modifies the natural characteristics of the atmosphere.
The correct answer is: Dust particles
An excess of Carbon dioxide in the air causes respiratory problems.
Having too much carbon dioxide in the body can cause nonspecific symptoms like headache, fatigue, and muscle twitches.
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Read the following paragraph carefully and fill in the blanks.
Gases like ____P_____ and nitrogen dioxide get mixed in the rainwater to form acids like Q and R. When these Q and R combine with the rain, they make the rain acidic and become part of the ____S _____. Such acidic rain is known as acid rain.
Read the following paragraph carefully and fill in the blanks.
Gases like ____P_____ and nitrogen dioxide get mixed in the rainwater to form acids like Q and R. When these Q and R combine with the rain, they make the rain acidic and become part of the ____S _____. Such acidic rain is known as acid rain.
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Which of the following are the major causes of air pollution?
(i) 
(ii) 
(iii) 
(iv) 
Which of the following are the major causes of air pollution?
(i) (ii)
(iii) (iv)
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After carbon dioxide, which of the following is the biggest contributor to greenhouse gas?
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The gas like carbon monoxide, when combined with blood’s hemoglobin, forms a stable compound which is known as
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Which of the following air pollutant is not a secondary pollutant from the following?
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Which system in the human body is affected due to air pollution?
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Which of the following picture does not represent the harmful effect of acid rain?
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Identify the gas which is not considered a greenhouse gas from the following.
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Which of the following statements is incorrect?
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(iii) Global warming damages the nutrition level of leaves and plants.
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(i) Smoke carries minute suspended matter (SPM) that causes respiratory problems.
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Fill in the following blanks.
(i) The pollutants like___________ is used in air conditioners and refrigerators.
(ii) __________ is present at the upper layer of the atmosphere called the stratosphere.
(iii) Pollutants like asbestos fiber can cause diseases called __________.
(iv) _________ makes the atmosphere dense and reduces visibility, leading to many road accidents.
Fill in the following blanks.
(i) The pollutants like___________ is used in air conditioners and refrigerators.
(ii) __________ is present at the upper layer of the atmosphere called the stratosphere.
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Identify the true and false statements from the following.
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(iii) Acid rain damages the wildlife in the ecosystem where it falls.
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(i) The greenhouse effect is the process of trapping the Sun’s heat by some atmospheric gases.
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The chemical formula of the greenhouse gas methane is
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The sources of carbon monoxide are
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Which of the following is not the main component of the air?
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