Hydrogen-Physical and Chemical Properties of Water (NEET Chemistry): Questions 1 - 6 of 14

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Question number: 1

» Hydrogen » Physical and Chemical Properties of Water

MCQ▾

Question

Corrosion of the metal surface of the boilers occurs by the usage of hard water due to the presence of?

Choices

Choice (4) Response
a.

MgCl2

b.

CaCl2

c.

Na2CO3

d.

CaCO3

Question number: 2

» Hydrogen » Physical and Chemical Properties of Water

MCQ▾

Question

Hydrolysis of one mole of peroxy disulphuric acid produces?

Choices

Choice (4) Response
a.

Two moles of sulphuric acid

b.

One mole of sulphuric acid and one mole of peroxy-monosulphuric acid

c.

Two moles of peroxymonosylphuric acid

d.

One mole sulphuric acid and one mole of hydrogen peroxide

Question number: 3

» Hydrogen » Physical and Chemical Properties of Water

MCQ▾

Question

Which of the following statement is not correct regarding the properties of water?

Choices

Choice (4) Response
a.

Hydrogen bonding is present

b.

Soft water lathers with soap but not hard water

c.

Temporary hard water did not change on boiling

d. Question does not provide sufficient data or is vague

Question number: 4

» Hydrogen » Physical and Chemical Properties of Water

MCQ▾

Question

The bond angle of water molecule is?

Choices

Choice (4) Response
a.

102.50

b.

109.50

c.

104.50

d.

107.50

Question number: 5

» Hydrogen » Physical and Chemical Properties of Water

MCQ▾

Question

Hard water is not suitable for washing clothes because?

Choices

Choice (4) Response
a.

It is acidic in nature

b.

It contains Na2SO4 and KCl

c.

It contains impurities

d.

It gives insoluble precipitates

Question number: 6

» Hydrogen » Physical and Chemical Properties of Water

MCQ▾

Question

Water can extinguish most fires but not petrol fire, because?

Choices

Choice (4) Response
a.

water is lighter than petrol

b.

petrol is lighter than water

c.

Hydrogen bonding

d. None of the above

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