Environmental Chemistry JEE Mains Questions. We covered all the Environmental Chemistry JEE Mains Questions in this post for free so that you can practice well for the exam.
Install our MCQTUBE Android app from the Google Play Store and prepare for any competitive government exams for free.
These types of competitive MCQs appear in the exams like UPSC, State PCS, CDS, NDA, Assistant Commandant, SSC, Railway, Bank, Delhi Police, UPSSC, and other Competitive Examinations, etc. We created all the competitive exam MCQs into several small posts on our website for your convenience.
You will get their respective links in the related posts section provided below.
Related Posts:
- General Organic Chemistry NEET Questions
- Metallurgy NEET Questions
- Periodic Classification of Elements NEET Questions
Mock Test on Environmental Chemistry for JEE Mains Students
Photochemical smog is a result of the reaction among
(a) High concentrations of NO₂, O3 and CO in the evening.
(b) CO, CO₂ and NO₂ at low temperatures.
(c) CO, O₂ and peroxy acetyl nitrate in the presence of Sunlight.
(d) NO₂, O3 and peroxy acetyl nitrate in the presence of Sunlight.
Option d – NO₂, O3 and peroxy acetyl nitrate in the presence of Sunlight
Which one of the following is a cause of acid rain?
(a) Ozone
(b) Ammonia
(c) Sulphur dioxide
(d) Carbon monoxide
Option c – Sulphur dioxide
Acid rain is specified when the pH is
(a) below 7
(b) below 5.6
(c) above 7
(d) above 9
Option b – below 5.6
Acid rain can be reduced by the use of
(a) LPG
(b) CNG
(c) Both of these
(d) None of these
Option c – Both of these
Which reaction is not a part of Acid-rain?
(a) CO₂ + H₂O → H₂CO3
(b) SO3 + H₂O → H₂SO4
(c) NO₂ + O₂ + H₂O → HNO3
(d) CIONO₂ + H₂O → HOCI + HNO3
Option d – CIONO₂ + H₂O → HOCI + HNO3
Acid rain is caused due to pollution of the atmosphere by
(a) oxides of carbon and nitrogen
(b) oxides of nitrogen and sulphur
(c) oxides of nitrogen and phosphorous
(d) None of the above
Option b – oxides of nitrogen and sulphur
Smog can be controlled by
(a) the use of catalytic converters in automobiles.
(b) setting the air-fuel ratio in the engine in a such way as to produce some CO and unburned hydrocarbons.
(c) Both of the above
(d) None of the above
Option c – Both of the above
Consider the following assertion and reason and select the correct answer from the codes given below. Assertion (A) Ozone kills microorganisms in the water. Reason (R) Ozone is not radioactive. Codes
(a) Both A and R are true and R is the correct explanation of A
(b) Both A and R are true, but R is not the correct explanation of A
(c) A is true, but R is false
(d) A is false, but R is true
Option b – Both A and R are true, but R is not the correct explanation of A
Primary pollutants can be
(a) SO2, CO
(b) PAN, O3
(c) Both of these
(d) None of these
Option a – SO2, CO
Secondary pollutants can be
(a) PAN
(b) O3
(c) Cl
(d) All of these
Option d – All of these
Which of the following is an inorganic gaseous pollutant of air?
(a) Phosgene
(b) Hydrogen cyanide
(c) Hydrogen sulphide
(d) Methane
Option c – Hydrogen sulphide
Air pollution is caused by smoke. Which of the following types of coal produces no smoke on burning?
(a) Peat
(b) Lignite
(c) Bituminous
(d) Anthracite
Option c – Bituminous
Which one of the following is not included in the National Air Quality Index?
(a) Sulphur
(b) Nitrogen dioxide
(c) Lead
(d) Methane
Option d – Methane
The term ‘brown air’ is used for
(a) Acid fumes
(b) Photochemical smog
(c) Sulphurous smog
(d) Industrial smog
Option b – Photochemical smog
Smog is essentially caused by the atmospheric presence of
(a) Oxygen and ozone
(b) Ozone and nitrogen
(c) Oxygen and nitrogen
(d) Oxide of nitrogen and sulphur
Option d – Oxide of nitrogen and sulphur
Which are not the constituents of photochemical smog?
(a) RCHO
(b) RCOR
(c) PAN
(d) CF₂Cl₂
Option d – CF₂Cl₂
Which of the following gas composition is wrong?
(a) 78% nitrogen
(b) 21% oxygen
(c) 0.03-0.05% CO2, argon
(d) None of the above
Option d – None of the above
The ozone layer is present in
(a) the troposphere
(b) the ionosphere
(c) the stratosphere
(d) the exosphere
Option c – the stratosphere
The ozone layer of the upper atmosphere is being destroyed by which of the following?
(a) Sulphur dioxide
(b) Photochemical oxidants
(c) Chlorofluorocarbons
(d) Smog
Option c – Chlorofluorocarbons
Which region of the atmosphere has human beings along with another organism?
(a) Stratosphere
(b) Troposphere
(c) Hydrosphere
(d) Mesosphere
Option b – Troposphere
The gaseous envelope around the earth is known as the atmosphere. The lowest layer of this is extended upto 10 km from sea level, this layer is
(a) stratosphere
(b) troposphere
(c) mesosphere
(d) hydrosphere
Option b – troposphere
We covered all the environmental chemistry jee mains questions above in this post for free so that you can practice well for the exam.
Check out the latest MCQ content by visiting our mcqtube website homepage.
Also, check out:
