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Question
What happens when Carbon burns in oxygen ? Also give the balanced chemical equation for the reaction.
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Solution
Carbon bums with bright sparks, forming carbon dioxide
\[\ce{C + O2 ->[heat] CO2 + heat}\]
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RELATED QUESTIONS
Answer the question put against the following constituents of air :
Oxygen : What is the percentage proportion of oxygen in air ? Why is oxygen called active air.
Statement given below is incorrect. Write the correct statement :
Carbon dioxide gas allows the earth to radiate out heat rapidly.
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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 |
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A process which removes carbon dioxide from the air.
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Match the following
| 1. | Oxygen | a. | Carbon dioxide |
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| 4. | Gun powder | d. | No life |
Nitrogen gas is so cold that moisture in the air condenses on it, creating a dense fog.
