Environmental Chemistry Test

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Environmental Chemistry Test - 12

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Weekly Quiz Competition

Question 1
1 / -0

Which gas can cause acid rain in nearby places and air pollution in downwind areas from the volcanic site?

A
$$SO_2$$

B
$$H_2S$$

C
$$CO_2$$

D
All of the above

Solution

Sulphur dioxide gas can cause acid rain in nearby places and air pollution in downwind areas from the volcanic site.
Question 2
1 / -0

Why detergent cause more water pollution than soap?

A
Ingredients by detergent are biodegradable and ingredients of soaps are not biodegradable

B
Ingredients by soap are biodegradable and ingredients of detergents are not biodegradable

C
Both have same type of ingredients but still detergent causes more water pollution than soap

D
None of these

Solution

Detergent causes more water pollution than soap because ingredients by soap are biodegradable and ingredients of detergents are not biodegradable
Question 3
1 / -0

A thick fog-like layer in the atmosphere, especially during winters it is called:

A
smoke

B
smog

C
dust

D
none of the above

Solution

Smog is a thick fog-like layer in the atmosphere, especially during winters, made up of fog and smoke.

Sulphur dioxide is mainly produced by burning fuels such as coal. It causes respiratory problems, including permanent lung damage.

Hence, the correct option is $$\text{B}$$
Question 4
1 / -0

A mixture of various gases with dust and water vapour is known as:

A
smoke

B
smog

C
dust

D
fog

Solution

Smog can be defined as a mixture of various gases with dust and water vapour.
Question 5
1 / -0

Smog is well known for:

A
irritation in the eye

B
inflammation in the tissue of lung

C
pain in chest

D
all of these

Solution

Smog is well known for causing irritation in the eye. It may also result in inflammation in the tissues of lungs, giving rise to pain in the chest.
Question 6
1 / -0

Heavy _____ is responsible for decreasing the UV radiation greatly.

A
smoke

B
smog

C
both $$A$$ and $$B$$

D
none of the above

Solution

Heavy smog is responsible for decreasing the UV radiation greatly.
Question 7
1 / -0

Water treatment plants should be installed in all _________ areas .

A
desert

B
residential

C
industrial

D
none of the above

Solution

Water treatment plants should be installed in all industrial areas. Laws for industrial units should be strictly implemented so that polluted water is not disposed off directly into rivers and lake.
Question 8
1 / -0

Which building material is least likely to be rapidly eroded by acid rain?

A
Marble

B
Sand stone

C
Granite

D
Lime stone

Solution

Granite is the least susceptible to acid rain because its it is composed of feldspar and quartz, both of which resist attacks of acid.
Question 9
1 / -0

Which of the following statements is true regarding earth's atmosphere?

A
It gets denser with increase in altitude.

B
It gets thinner with increase in altitude.

C
Its thickness is atleast one fourth the radius of the earth.

D
It contains no solid particles.

Solution

As the altitude increases, the pressure decreases which results in thinning of the earth's atmosphere.
Question 10
1 / -0

Treatment of waste water involves physical, chemical, and biological processes, which remove _______ matter that contaminates waste water.

A
physical

B
chemical and biological

C
both $$A$$ and $$B$$

D
none of the above

Solution

Physical treatment of water includes-filtration, sedimentation, separation etc. Chemical and Biological treatment includes coagulation, flocculation, ion-exchange, absorption, also aerobic treatments and anaerobic treatments. By these treatments, all physical, chemical and biological matter that contaminates wastewater, can be removed

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Re-Attempt Weekly Quiz Competition

Environmental Chemistry Test - 12

Result

Environmental Chemistry Test - 12

Score

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Rank

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SHARING IS CARING

Question 1

$$SO_2$$

$$H_2S$$

$$CO_2$$

All of the above

Solution

Question 2

Ingredients by detergent are biodegradable and ingredients of soaps are not biodegradable

Ingredients by soap are biodegradable and ingredients of detergents are not biodegradable

Both have same type of ingredients but still detergent causes more water pollution than soap

None of these

Solution

Question 3

smoke

smog

dust

none of the above

Solution

Question 4

smoke

smog

dust

fog

Solution

Question 5

irritation in the eye

inflammation in the tissue of lung

pain in chest

all of these

Solution

Question 6

smoke

smog

both $$A$$ and $$B$$

none of the above

Solution

Question 7

desert

residential

industrial

none of the above

Solution

Question 8

Marble

Sand stone

Granite

Lime stone

Solution

Question 9

It gets denser with increase in altitude.

It gets thinner with increase in altitude.

Its thickness is atleast one fourth the radius of the earth.

It contains no solid particles.

Solution

Question 10

physical

chemical and biological

both $$A$$ and $$B$$

none of the above

Solution

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