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Question
Fill in the blanks
Oxygen is used in ___________the food to get _______.
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Solution
Oxygen is used in burning the food to get energy.
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RELATED QUESTIONS
Statement given below is incorrect. Write the correct statement :
Carbon dioxide gas allows the earth to radiate out heat rapidly.
Briefly state the importance of Nitrogen.
Fill in the blank
The supporter of combustion in air is _____.
State the utility of oxygen for respiration in living organisms
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 |
Name the following:
The component of air which does not support combustion.
_______ can be seen moving in a beam of sunlight in a dark room.
______ present in the air is needed for respiration.
The Scottish chemist ______ discovered carbon dioxide is present in air.
The second major component of air is oxygen.
