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Class 11ChemistryEnvironmental ChemistryEnvironmental Study
Medium

The presence of soluble fluoride ion up to $1 \ ppm$ concentration in drinking water is:

JEE MAIN 2020All JEE MAIN
  • A
    harmful to bones
  • B
    harmful for teeth
  • C
    safe for teeth
  • D
    harmful to skin
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Class 11 Questions

Class 11

Chemistry Questions

Chapter

Environmental Chemistry

Subtopic

Environmental Study

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