Home
Class 12
CHEMISTRY
Statement-1: Deficiency of fluoride in d...

Statement-1: Deficiency of fluoride in drinking water is harmful to human being.
and
Statement-2: Fluoride concentration more than 10 ppm causes harful effect to bones and teeth.

A

Statement-1: is True, Statement-2 is True, Statement-2 is a correct explanantion for Statement-1

B

Statement-1 is True, Statement-2 is True, Statement-2 is NOT a correct explanation for Statement-1

C

Statement:1 is True, Statement -2 is False

D

Statement-1 is False, Statement-2 is True

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ENVIRONMENTAL CHEMISTRY

    AAKASH INSTITUTE|Exercise EXERCISE|10 Videos
  • ENVIRONMENTAL CHEMISTRY

    AAKASH INSTITUTE|Exercise ASSIGNMENT (SECTION-A)|50 Videos
  • ENVIRONMENTAL CHEMISTRY

    AAKASH INSTITUTE|Exercise ASSIGNMENT (SECTION-C) LINKED COMPREHENSION TYPE QUESTIONS|6 Videos
  • ELECTROCHEMISTRY

    AAKASH INSTITUTE|Exercise Assignment (SECTION - J) (Aakash Challengers Questions)|10 Videos
  • EQUILIBRIUM

    AAKASH INSTITUTE|Exercise ASSIGNMENT (SECTION -D)|20 Videos

Similar Questions

Explore conceptually related problems

Deficiency of fluoride ion in drinking water causes

High concentration of fluoride is poisonous and harmful to bones and teeth at levels over

High concentration of fluoride is poisonous and harmful to bones and teeth at levels over

Assertion : Soluable fluoride is often added to drinking water to bring its concentration up to 1 ppm. Reason : F^(-) ion concentration above 2 ppm causes brown mottling of teeth.

Statement-1 : In LiCl more covalent character is present in LiF. and Statement-2 : Polarizability of Br^(-) is more than Cl^(-)