Water Test

Result

Water Test - 4

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Weekly Quiz Competition

Question 1
1 / -0

The surface tension in water decreases on

A
addition of acid

B
addition of base

C
applying pressure

D
heating the water
Question 2
1 / -0

The temperature and pressure at which the three states of water can coexist in a stable equilibrium are

A
250.15 Kelvin and 450.11 Pascal

B
350.17 Kelvin and 150.11 Pascal

C
273.16 Kelvin and 611.73 Pascal

D
215.25 Kelvin and 511.73 Pascal
Question 3
1 / -0

The property of cohesion of water molecules at the surface of a water body is known as

A
adhesion

B
surface tension

C
condensation

D
precipitation
Question 4
1 / -0

Which of the following statements is true about the capillary action of water?

A
Capillary action is limited by gravity.

B
Capillary action is greater if the straw is thick.

C
Capillary action is independent of size of the straw.

D
Capillary action is less if the straw is thin.
Question 5
1 / -0

Which of the following statements is not true about the physical and chemical properties of water?

A
When water changes its state, its chemical properties do not change.

B
When temperature falls to 4^oC, water starts expanding.

C
Density of ice is lesser than the density of water.

D
Non-polar substances dissolve in water.
Question 6
1 / -0

Which of the following statements is not true about water?

A
Aqua, hydrogen oxide, hydrogen hydroxide and hydrate are other names of water.

B
Water is a transparent, almost colorless liquid with slight tint of blue.

C
Melting point of water is 0 Kelvin.

D
Boiling point of water is 100°C.
Question 7
1 / -0

Which of the following statements about water is not true?

A
Majority of water on the earth is sea water.

B
The boiling point of water is independent of atmospheric pressure.

C
At the top of the Mt. Everest boiling point of water will be lower than 100^oC.

D
Deep in the ocean boiling point of water can reach up to hundreds of degrees.
Question 8
1 / -0

The effectiveness of soap is reduced when it is used in

A
cold water

B
warm water

C
soft water

D
hard water
Question 9
1 / -0

The chemical reaction which results in the formation of soap is called

A
nitration

B
chlorination

C
oxidation

D
saponification

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Re-Attempt Weekly Quiz Competition

Water Test - 4

Result

Water Test - 4

Score

-

Rank

-

SHARING IS CARING

Question 1

addition of acid

addition of base

applying pressure

heating the water

Question 2

250.15 Kelvin and 450.11 Pascal

350.17 Kelvin and 150.11 Pascal

273.16 Kelvin and 611.73 Pascal

215.25 Kelvin and 511.73 Pascal

Question 3

adhesion

surface tension

condensation

precipitation

Question 4

Capillary action is limited by gravity.

Capillary action is greater if the straw is thick.

Capillary action is independent of size of the straw.

Capillary action is less if the straw is thin.

Question 5

When water changes its state, its chemical properties do not change.

When temperature falls to 4oC, water starts expanding.

Density of ice is lesser than the density of water.

Non-polar substances dissolve in water.

Question 6

Aqua, hydrogen oxide, hydrogen hydroxide and hydrate are other names of water.

Water is a transparent, almost colorless liquid with slight tint of blue.

Melting point of water is 0 Kelvin.

Boiling point of water is 100°C.

Question 7

Majority of water on the earth is sea water.

The boiling point of water is independent of atmospheric pressure.

At the top of the Mt. Everest boiling point of water will be lower than 100oC.

Deep in the ocean boiling point of water can reach up to hundreds of degrees.

Question 8

cold water

warm water

soft water

hard water

Question 9

nitration

chlorination

oxidation

saponification

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Question Analysis

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When temperature falls to 4^oC, water starts expanding.

At the top of the Mt. Everest boiling point of water will be lower than 100^oC.