Chemistry
Grade-6
Easy
Question
Which of the following is the most significant effect of particulate matter in the air on human health?
- Impaired blood formation
- Chest pain
- Headache
- Aggravation of respiratory disease
The correct answer is: Aggravation of respiratory disease
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When a mixture of rain and snow falls on the ground, it is called
When a mixture of rain and snow falls on the ground, it is called
ChemistryGrade-6
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Which of the following statements is correct?
(i) Dust particles are the solid, minute solid particles present in the air.
(ii) Krypton is also radioactive in nature.
(iii) The seeping of water into the ground is known as infiltration.
Which of the following statements is correct?
(i) Dust particles are the solid, minute solid particles present in the air.
(ii) Krypton is also radioactive in nature.
(iii) The seeping of water into the ground is known as infiltration.
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Identify the processes which are not involved in the water cycle from the following:
(i) 
(ii) 
(iii) 
(iv) 
Identify the processes which are not involved in the water cycle from the following:
(i)
(ii)
(iii)
(iv)
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What causes the decrease in the amount of carbon dioxide and increase in the amount of oxygen in the atmosphere?
What causes the decrease in the amount of carbon dioxide and increase in the amount of oxygen in the atmosphere?
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The phenomenon of circulation of water from the Earth’s surface to the atmosphere and from the atmosphere back to the Earth’s surface is called
The phenomenon of circulation of water from the Earth’s surface to the atmosphere and from the atmosphere back to the Earth’s surface is called
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Which of the following forms of water vapor is not formed at low temperatures when water vapors condense?
Which of the following forms of water vapor is not formed at low temperatures when water vapors condense?
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Which of the following is not the main component of air?
Which of the following is not the main component of air?
ChemistryGrade-6
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For which of the following purposes is carbon dioxide used?
For which of the following purposes is carbon dioxide used?
ChemistryGrade-6
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Approximately how much percentage of carbon dioxide gas is present in the air?
Approximately how much percentage of carbon dioxide gas is present in the air?
ChemistryGrade-6
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Identify the form of water vapor shown in the picture below.
Identify the form of water vapor shown in the picture below.
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An excess of_________ in the air causes respiratory problems.
An excess of_________ in the air causes respiratory problems.
ChemistryGrade-6
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Identify the activities that help to increase the number of water vapors in the air from the following:
(i) Evaporation
(ii) Combustion
(iii) Precipitation
(iv) Condensation
Identify the activities that help to increase the number of water vapors in the air from the following:
(i) Evaporation
(ii) Combustion
(iii) Precipitation
(iv) Condensation
ChemistryGrade-6
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Which of the following does not involve the usage of oxygen?
Which of the following does not involve the usage of oxygen?
ChemistryGrade-6
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Which of the following is not an inert gas?
Which of the following is not an inert gas?
ChemistryGrade-6
Chemistry
Which of the following is responsible for regulating the rate of evaporation from plants and animals?
Which of the following is responsible for regulating the rate of evaporation from plants and animals?
ChemistryGrade-6
