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Karnataka Board PUCPUC Science 2nd PUC Class 12

Among the following which one causes maximum indoor chemical pollution?

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Question

Among the following which one causes maximum indoor chemical pollution?

Options

  • Burning coal

  • Burning cooking gas

  • Burning mosquito coil

  • Room spray

MCQ
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Solution

Burning coal

Explanation:

Burning coal indoors releases large amounts of carbon monoxide, sulphur dioxide, and particulate matter, which cause severe indoor air pollution.
Hence, it is considered the maximum source of indoor chemical pollution.

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Chapter 16: Environmental Issues - MULTIPLE CHOICE QUESTIONS [Page 114]

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NCERT Exemplar Biology Exemplar [English] Class 12
Chapter 16 Environmental Issues
MULTIPLE CHOICE QUESTIONS | Q 10. | Page 114

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