Advertisements
Advertisements
Question
Match the statements in List 1 with the correct answers in List 2
List 1 | List 2 | ||
1 | An impurity in air | A | Water vapour |
2 | The component of air which supports combustion | B | Respiration |
3 | The inert component in the air slightly soluble in water | C | Rare gases |
4 | The component of air which minimizes the rate of evaporation | D | Sulphur dioxide |
5 | The process which involves oxidation of food substance in living organisms | E | Helium |
6 | The component of air which finds application in observation balloons | F | Carbon dioxide |
7 | The process which involves oxidation of substances, liberating heat and light energy | G | Combustion |
8 | The component of air which is heavier than air and fairly soluble in water | H | Nitrogen |
9 | The process by which atmospheric carbon dioxide is absorbed by plants resulting in the formation of carbohydrates | I | Photosynthesis |
10 | The component of air which is lighter than air and less than 1% in air | J | Oxygen |
Solution
List 1 | List 2 | ||
1 | An impurity in air | D | Sulphur dioxide |
2 | The component of air which supports combustion | J | Oxygen |
3 | The inert component in the air slightly soluble in water | H | Nitrogen |
4 | The component of air which minimizes the rate of evaporation | A | Water vapour |
5 | The process which involves oxidation of food substance in living organisms | B | Respiration |
6 | The component of air which finds application in observation balloons | E | Helium |
7 | The process which involves oxidation of substances, liberating heat and light energy | G | Combustion |
8 | The component of air which is heavier than air and fairly soluble in water | F | Carbon dioxide |
9 | The process by which atmospheric carbon dioxide is absorbed by plants resulting in the formation of carbohydrates | I | Photosynthesis |
10 | The component of air which is lighter than air and less than 1% in air | C | Rare gases |
RELATED QUESTIONS
Fill in the blank space by choosing the correct word from the given list.
List: oxygen, carbonic, suIphurUioxide gas, precipitation, helium
_______ gas is used for filling weather observation balloons.
Write ‘True’ or ‘False’ in front of following statement.
The area where a lot of fuel burns has more percentage of carbon dioxide.
Briefly state the importance of Nitrogen.
Name and briefly explain four ways by which pollution of air caused by humans is minimised.
Name the following:
The product of respiration released in exhaled air, other than carbon dioxide.
Air is made up of oxygen only.
Carbon dioxide with water changes
How do astronauts breathe when they go beyond the earth’s atmosphere?
The Scottish chemist ______ discovered carbon dioxide is present in air.
The second major component of air is oxygen.