The particulate matter in exhaust from industries can be removed by

(1) Electrostatic Precipitator

(2) Scrubber

(3) Both (1) and (2)

(4) Cannot be removed

Subtopic:  Air Pollution |
 53%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Which of the following is not true about electrostatic precipator?

(1) It can remove over 99 per cent particulate matter present in the exhaust from a thermal power plant

(2) Electrode wires maintained at thousand volts, which produce a corona that release electrons

(3) The protons are attached to dust particle give them a net positive charge

(4) The collecting plates attract the dust particles

Subtopic:  Air Pollution |
 84%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

In an electrostatic precipitator,

(1) The velocity of air between the plates must be low enough to allow the dust to fall.

(2) The velocity of air between the plates must be very high to purify the air.

(3) There is no air between plates so that charge may not get disturbed

(4) None of these

Subtopic:  Air Pollution |
 68%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Scrubber

(1) Can remove only sulphur dioxide

(2) Can remove gases like sulphur dioxide

(3) Can remove harmless gases

(4) Mix harmless gases with gaseous pollutants

Subtopic:  Air Pollution |
 81%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

In scrubber, exhaust is passed through

(1) A spray of water/lime

(2) A spray of electrons

(3) A spray of other harmless gases

(4) All of these

Subtopic:  Air Pollution |
 82%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

CPCB stands for

(1) Control Pollution Central Board

(2) Central Population Control Board

(3) Central Pollution Control Board

(4) Control Population Central Board

Subtopic:  Air Pollution |
 73%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

The particulate matter cannot cause

(1) Breathing respiratory symptoms

(2) Irritation, premature death

(3) Inflammation and damage to the lungs

(4) Gastric ulcer and Rhinitis

Subtopic:  Air Pollution |
 90%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

In metro cities, which of the following is the major cause of atmospheric Pollution?

(1) Automobiles

(2) Population

(3) Industries

(4) All of these

Subtopic:  Air Pollution |
 55%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

To stop, automobile based environmental pollution, which of the following is not going to be a helpful measure?

(1) Proper maintenance of automobile

(2) Use of lead free petrol or diesel

(3) Catalytic Converters

(4) Scrubber

Subtopic:  Air Pollution |
 72%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Which of the following is not a metal of catalytic converter?

(1) Platinum

(2) Palladium

(3) Rhodium

(4) Molybdenum

Subtopic:  Air Pollution |
 92%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh