Hydrogen-Physical and Chemical Properties of Water (NEET (NTA)-National Eligibility cum Entrance Test (Medical) Chemistry): Questions 1 - 6 of 14

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Question number: 1

» Hydrogen » Physical and Chemical Properties of Water

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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.

b.

c.

d.

Question number: 2

» Hydrogen » Physical and Chemical Properties of Water

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MCQ▾

Question

Hydrolysis of one mole of peroxy disulphuric acid produces?

Choices

Choice (4) Response

a.

Two moles of peroxymonosylphuric acid

b.

Two moles of sulphuric acid

c.

One mole sulphuric acid and one mole of hydrogen peroxide

d.

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

Question number: 3

» Hydrogen » Physical and Chemical Properties of Water

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MCQ▾

Question

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

Choices

Choice (4) Response

a.

Temporary hard water did not change on boiling

b.

Hydrogen bonding is present

c.

Soft water lathers with soap but not hard water

d.

Question does not provide sufficient data or is vague

Question number: 4

» Hydrogen » Physical and Chemical Properties of Water

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MCQ▾

Question

The bond angle of water molecule is?

Choices

Choice (4) Response

a.

102.50

b.

104.50

c.

107.50

d.

109.50

Question number: 5

» Hydrogen » Physical and Chemical Properties of Water

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MCQ▾

Question

Hard water is not suitable for washing clothes because?

Choices

Choice (4) Response

a.

It contains impurities

b.

It gives insoluble precipitates

c.

It is acidic in nature

d.

It contains Na2SO4 and KCl

Question number: 6

» Hydrogen » Physical and Chemical Properties of Water

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MCQ▾

Question

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

Choices

Choice (4) Response

a.

water is lighter than petrol

b.

Hydrogen bonding

c.

petrol is lighter than water

d.

Question does not provide sufficient data or is vague

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