P-Block Elements Group 13 to 18-Group 14 (NEET (NTA)-National Eligibility cum Entrance Test (Medical) Chemistry): Questions 1 - 8 of 14

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Question number: 1

» P-Block Elements Group 13 to 18 » Group 14 » Allotropes of Carbon

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MCQ▾

Question

Buckminsterfullerene is?

Choices

Choice (4) Response

a.

C-60

b.

Graphite

c.

Bone charcoal

d.

Diamond

Question number: 2

» P-Block Elements Group 13 to 18 » Group 14 » Allotropes of Carbon

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MCQ▾

Question

Which of the following gas played an important role in phenomenon ASPHYXIA?

Choices

Choice (4) Response

a.

producer gas (CO + N2)

b.

CO

c.

CO2

d.

None of the above

Question number: 3

» P-Block Elements Group 13 to 18 » Group 14 » Silicates

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MCQ▾

Question

The general formula of cyclic or ring silicates is?

Choices

Choice (4) Response

a.

b.

c.

d.

Both b. and c. are correct

Question number: 4

» P-Block Elements Group 13 to 18 » Group 14 » Tendency for Catenation

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MCQ▾

Question

Lime water is formed milky on passing CO2 with the formation of?

Choices

Choice (4) Response

a.

b.

c.

d.

Question does not provide sufficient data or is vague

Question number: 5

» P-Block Elements Group 13 to 18 » Group 14 » Zeolites

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MCQ▾

Question

When hard water is passed through a column packed with zeolite, calcium and magnesium ions exchange with?

Choices

Choice (4) Response

a.

Sodium

b.

Barium

c.

Zinc

d.

Aluminium

Question number: 6

» P-Block Elements Group 13 to 18 » Group 14 » Allotropes of Carbon

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MCQ▾

Question

A dry ice piece is composed of?

Choices

Choice (4) Response

a.

Solid He

b.

Solid CO2

c.

Solid SO2

d.

Solid C6H6

Question number: 7

» P-Block Elements Group 13 to 18 » Group 14 » Allotropes of Carbon

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MCQ▾

Question

Which of the following is not correct regarding graphite?

Choices

Choice (4) Response

a.

Softer than diamond

b.

Used for making lubricants

c.

It is an amorphous allotrope of carbon

d.

A good conductor of heat

Question number: 8

» P-Block Elements Group 13 to 18 » Group 14 » Silicates

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MCQ▾

Question

In (tetrahedral structure), three oxygen atoms are shared in which of the following?

Choices

Choice (4) Response

a.

Sheet silicate

b.

Pyrosilicate

c.

Linear silicate

d.

Three dimensional silicates

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