Water Test

Result

Water Test - 1

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Weekly Quiz Competition

Question 1
1 / -0

The percentage of Earth`s surface covered by water is

A
50%

B
71%

C
30%

D
29%

Solution

About 71 percent of the Earth`s surface is water-covered.
Question 2
1 / -0

One molecule of water is composed of

A
one hydrogen atom covalently bonded to one oxygen atom.

B
one hydrogen atom covalently bonded to two oxygen atom.

C
two hydrogen atoms covalently bonded to one oxygen atom.

D
two hydrogen atoms covalently bonded to two oxygen atom.
Question 3
1 / -0

Water has a high value of which of the following properties?

A
Viscosity

B
Acidity

C
Basicity

D
Surface tension
Question 4
1 / -0

Which of the following processes is not a part of water cycle?

A
Transpiration

B
Condensation

C
Filtration

D
Precipitation
Question 5
1 / -0

In which of the following states of water the molecules of water move very fast?

A
Solid state

B
Gaseous state

C
Liquid state

D
All of the above
Question 6
1 / -0

Which of the following states is/are present at the triple point of water?

A
Solid

B
Liquid

C
Gaseous

D
All of these
Question 7
1 / -0

The substances that dissolve readily in water are known as_______ substances

A
acidic

B
basic

C
hydrophilic

D
hydrophobic
Question 8
1 / -0

Electrolysis of water results in the formation of

A
2H & 1O atoms

B
H₂ & O₂

C
H⁺ and OH^-

D
H₂ & OH^-
Question 9
1 / -0

The molar mass of water is given as:

A
15.15 g/mol

B
18.02 g/mol

C
17.01 g/mol

D
12.03 g/mol
Question 10
1 / -0

Water can be split into its constituents by passing electric current through it. The process undertaken is called

A
hydration

B
electrolysis

C
auto ionisation

D
evaporation

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Re-Attempt Weekly Quiz Competition

Water Test - 1

Result

Water Test - 1

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Rank

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SHARING IS CARING

Question 1

50%

71%

30%

29%

Solution

Question 2

one hydrogen atom covalently bonded to one oxygen atom.

one hydrogen atom covalently bonded to two oxygen atom.

two hydrogen atoms covalently bonded to one oxygen atom.

two hydrogen atoms covalently bonded to two oxygen atom.

Question 3

Viscosity

Acidity

Basicity

Surface tension

Question 4

Transpiration

Condensation

Filtration

Precipitation

Question 5

Solid state

Gaseous state

Liquid state

All of the above

Question 6

Solid

Liquid

Gaseous

All of these

Question 7

acidic

basic

hydrophilic

hydrophobic

Question 8

2H & 1O atoms

H2 & O2

H+ and OH-

H2 & OH-

Question 9

15.15 g/mol

18.02 g/mol

17.01 g/mol

12.03 g/mol

Question 10

hydration

electrolysis

auto ionisation

evaporation

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H₂ & O₂

H⁺ and OH^-

H₂ & OH^-