EASY
JEE Main
IMPORTANT
Earn 100

Correct statement about photo-chemical smog is

50% studentsanswered this correctly

Important Questions on Environmental Chemistry

MEDIUM
JEE Main
IMPORTANT
The acid that is believed to be mainly responsible for the damage of Taj Mahal is
MEDIUM
JEE Main
IMPORTANT
Sulphur dioxide is one of the components of polluted air. SO2 is also a major contributor to acid rain. The correct and complete reaction to represent acid rain caused by SO2 is :
MEDIUM
JEE Main
IMPORTANT

Cl˙+CH4A+B

A and B in the above atmospheric reaction step are

EASY
JEE Main
IMPORTANT

Match List I with List II

 

List-I

Pollutant

 

List-II

Source

A Microorganisms I Strip mining
B Plant nutrients II Domestic sewage
C Toxic heavy metals III Chemical fertilizer
D Sediment IV Chemical factory

Choose the correct answer from the options given below

EASY
JEE Main
IMPORTANT

Match List I with List II

  List-I
Pollutant
  List-II
Disease /sickness
A Sulphate >500ppm I Methemoglobinemia
B Nitrate >50ppm II

Brown mottling of teeth

C Lead >50ppb III Laxative effect
D Fluoride >2ppm IV Kidney damage

Choose the correct answer from the options given below

EASY
JEE Main
IMPORTANT

Given below are two statements:

Statement I : The non bio-degradable fly ash and slag from steel industry can be used by cement industry.

Statement II : The fuel obtained from plastic waste is lead free.

In the light of the above statements, choose the most appropriate answer from the options given below

MEDIUM
JEE Main
IMPORTANT

Given below are two statements :

Statement I : In polluted water values of both dissolved oxygen and BOD are very low.

Statement II : Eutrophication results in decrease in the amount of dissolved oxygen.

In the light of the above statements, choose the most appropriate answer from the options given below