Q. Consider the following statements regarding carbon monoxide:
1.It is a colorless, odorless gas that is produced by the incomplete burning of carbon-based fuels.
2.It is also produced from the combustion of natural and synthetic products such as cigarettes.
Which of the statements given above is/are correct?

[A] 1 only

[B] 2 only

[C] Both 1 and 2

[D] Neither 1 nor 2

Answer: C
Notes:

Explanation: Carbon monoxide (CO):

It is a colourless, odourless gas that is produced by the incomplete burning of carbon-based fuels including petrol, diesel, and wood.

  • It is also produced from the combustion of natural and synthetic products such as cigarettes.
  • It lowers the amount of oxygen that enters our blood.

Source: SHANKAR IAS Environment

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