Home
Class 11
CHEMISTRY
A water sample has ppm level concentrati...

A water sample has ppm level concentration of the following metals: Fe = 0.2 , Mn = 5.0 , Cu = 3.0, Zn = 5.0. The metal that makes the water sample unsuitable for drinking is....

A

Cu

B

Mn

C

Zn

D

Fe

Text Solution

Verified by Experts

The correct Answer is:
B
Prescribed level of Mn is 0.5 ppm. So water sample containing Mn = 5ppm is water unsuitable for drinking.
Promotional Banner

Topper's Solved these Questions

  • ENVIRONMENT CHEMISTRY

    KUMAR PRAKASHAN|Exercise SECTION-D NCERT EXEMPLAR SOLUTION (Multiple Choice Questions (MCQs)|32 Videos

  • ENVIRONMENT CHEMISTRY

    KUMAR PRAKASHAN|Exercise SECTION-D NCERT EXEMPLAR SOLUTION (Multiple Choice Questions (MCQs)(More than one correct answer)|1 Videos

  • ENVIRONMENT CHEMISTRY

    KUMAR PRAKASHAN|Exercise SECTION-C (Multiple Choice Questions (MCQs) (MCQs asked in Board Exam)|19 Videos

  • CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

    KUMAR PRAKASHAN|Exercise Section -D SOLUTIONS OF NCERT EXEMPLAR PROBLEMS (Long Answer Type Questions )|7 Videos

  • EQUILIBRIUM

    KUMAR PRAKASHAN|Exercise Question Paper from Module|7 Videos

Similar Questions

Explore conceptually related problems

Find out a and d for each of the following Aps: 2.5 , 1.5, 0.5,-0.5 ......

The direction cosines of two lines are given by the following equations. 3l+ m + 5n = 0, 6mn - 2nl + 5lm = 0. Find the angle between them.

Find the inverse of each of the following matrices [{:(2,0,-1),(5,1,0),(0,1,3):}]

Stadard reduction electrode potentials of three metals A,B and C are respectively +0.5V, -3.0V and -1.2V . The reducing powers of these metals are: