Vedclass
Class 11ChemistryEnvironmental ChemistryEnvironmental Study
Easy

Water is considered to be polluted if the dissolved oxygen $(D.O.)$ content is less than $...$ $ppm$ :

TS EAMCET 2003All TS EAMCET
AP EAMCET 2003All AP EAMCET
  • A
    $5$
  • B
    $10$
  • C
    $15$
  • D
    $100$
Share

Explore More

Browse All

Question Bank

11

All Subjects

Class 11 Questions

Class 11

Chemistry Questions

Chapter

Environmental Chemistry

Subtopic

Environmental Study

Previous Year

TS EAMCET 2003 PaperAll TS EAMCET years →

Previous Year

AP EAMCET 2003 PaperAll AP EAMCET years →

Similar Questions

Ozone is formed in the upper atmosphere by a photochemical reaction with $O_2$ in the presence of

EasyTS EAMCET 2021
View Solution

The gas released during anaerobic degradation of vegetation may lead to

MediumJEE MAIN 2021
View Solution

What are the reactions involved in the ozone layer depletion in the stratosphere?

Difficult
View Solution

If the concentration of nitrate in drinking water exceeds $45 \ ppm$,which disease is likely to occur in children?

Medium
View Solution

Which of the following practices will not come under green chemistry?

View Solution

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo