Surface Chemistry Test

Result

Surface Chemistry Test - 8

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Weekly Quiz Competition

Question 1
1 / -0

Ammonia is adsorbed by

A
Alcohol

B
Water

C
Charcoal

D
Silica

Solution

Charcoal acts as an adsorbent.
Question 2
1 / -0

Which among the following is adsorbed greatly by activated charcoal?

A
CH₄

B
SO₂

C
H₂

D
CO

Solution

SO₂ due to high polarity and surface area is adsorbed maximum.
Question 3
1 / -0

Which among the following is an example of sorption?

A
Water on calcium chloride

B
Ammonia on water

C
Chalk dipped in ink

D
Ammonia on charcoal

Solution

When chalk is dipped in ink, absorption and adsorption both takes place.
Question 4
1 / -0

The adsorbent used in decolouration of vinegar and sugar solution is

A
Alumina gel

B
Oxygen

C
Activated carbon

D
Silica gel

Solution

It adsorbs the colour in solutions.
Question 5
1 / -0

Adsorbent used for drying of air and controlling humidity in rooms is

A
Alum

B
Alumina gels

C
Ammonia

D
Activated charcoal

Solution

Aluminia gel adsorbs humidity in air.
Question 6
1 / -0

The adsorbent used to adsorb the dye particles in the dying industry is

A
Alumina gel

B
Silica gel

C
Activated charcoal

D
Alum

Solution

Alum is used in dying industries.
Question 7
1 / -0

Ammonia is adsorbed on activated charcoal to a larger extent as compare to CO because

A
Ammonia is more easily liquefiable

B
CO reacts with oxygen

C
Ammonia reacts with oxygen

D
Ammonia exist in liquid state

Solution

Ammonia is easily liquefiable because of H- bonding interactions.

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Re-Attempt Weekly Quiz Competition

Surface Chemistry Test - 8

Result

Surface Chemistry Test - 8

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SHARING IS CARING

Question 1

Alcohol

Water

Charcoal

Silica

Solution

Question 2

CH4

SO2

H2

CO

Solution

Question 3

Water on calcium chloride

Ammonia on water

Chalk dipped in ink

Ammonia on charcoal

Solution

Question 4

Alumina gel

Oxygen

Activated carbon

Silica gel

Solution

Question 5

Alum

Alumina gels

Ammonia

Activated charcoal

Solution

Question 6

Alumina gel

Silica gel

Activated charcoal

Alum

Solution

Question 7

Ammonia is more easily liquefiable

CO reacts with oxygen

Ammonia reacts with oxygen

Ammonia exist in liquid state

Solution

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CH₄

SO₂

H₂