S-Block Elements Group 1 and 2 (NEET (NTA)-National Eligibility cum Entrance Test (Medical) Chemistry): Questions 1 - 7 of 49

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Question number: 1

» S-Block Elements Group 1 and 2 » Preparation and Properties » Sodium Hydroxide

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MCQ▾

Question

In the following reaction, , What is A?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 2

» S-Block Elements Group 1 and 2 » Industrial Uses » Cement

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MCQ▾

Question

The cement used in dental fillings is called?

Choices

Choice (4) Response

a.

Hard cement

b.

Quick lime

c.

Sorel cement

d.

Magnesia alva

Question number: 3

» S-Block Elements Group 1 and 2 » Preparation and Properties » Sodium Hydroxide

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MCQ▾

Question

Which of the following sodium compound will give phosphine gas when reacted with yellow phosphorus?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 4

» S-Block Elements Group 1 and 2 » Trends in Physical and Chemical Properties

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MCQ▾

Question

Which of the following compounds of alkali metals decompose on heating?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 5

» S-Block Elements Group 1 and 2 » Anomalous Properties of the First Element of Each Group

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MCQ▾

Question

Lithium shows anomalous property when compared to other alkali metals, why?

Choices

Choice (4) Response

a.

Small size of lithium atom and Li +

b.

Greater hardness of Li +3

c.

Hydration of Li +3

d.

None of the above

Question number: 6

» S-Block Elements Group 1 and 2 » Trends in Physical and Chemical Properties

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MCQ▾

Question

Which of the following statement is not true regarding the properties of alkali metal?

Choices

Choice (4) Response

a.

Halides and hydrides of beryllium do not polymerize

b.

BeO insoluble, but BaSO 4 is soluble in water

c.

Alkali earth metals can’t be obtain by chemical reduction

d.

BaO is soluble, but BaSO 4 is insoluble in water

Question number: 7

» S-Block Elements Group 1 and 2 » Industrial Uses » Plaster of Paris

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MCQ▾

Question

Addition of alum to plaster of Paris makes the setting very hard. The mixture is known as?

Choices

Choice (4) Response

a.

Dead plaster

b.

Burnt plaster

c.

Keene cement

d.

Chalk

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