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NEET
Exam
NEET
Subject
Chemistry
Chapter
Environmental Chemistry

NEET · Chemistry · Environmental Chemistry

What is the consequence of fluoride ion concentration in drinking...

What is the consequence of fluoride ion concentration in drinking water exceeding 2 ppm?

Options

  1. AEnhanced tooth enamel protection
  2. BBrown mottling of teeth
  3. CIncreased water clarity
  4. DReduced water hardness

Correct answer

B. Brown mottling of teeth

Step-by-step solution

Excess fluoride ion concentration above 2 ppm can cause brown mottling or staining of teeth.
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