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Class 11ChemistryEnvironmental ChemistryEnvironmental Study
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The insecticide $DDT$ is considered as . . . . . .

AP EAMCET 2020All AP EAMCET
  • A
    greenhouse gas
  • B
    biodegradable pollutant
  • C
    non-biodegradable pollutant
  • D
    a fertiliser
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Class 11 Questions

Class 11

Chemistry Questions

Chapter

Environmental Chemistry

Subtopic

Environmental Study

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Match the following List-$I$ ($F^-$ ion concentration in drinking water) with List-$II$ (Effects on humans):
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$(A)$ $< 1 \ ppm$$(i)$ Harmful to bones
$(B)$ $> 2 \ ppm$$(ii)$ Tooth decay
$(C)$ $> 10 \ ppm$$(iii)$ Brown mottling of teeth

Then the correct match is:

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