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

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

MCQ▾

Question

The cement used in dental fillings is called?

Choices

Choice (4) Response

a.

Sorel cement

b.

Hard cement

c.

Magnesia alva

d.

Quick lime

Question number: 3

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

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

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

MCQ▾

Question

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

Choices

Choice (4) Response

a.

Greater hardness of Li +3

b.

Hydration of Li +3

c.

Small size of lithium atom and Li +

d.

All of the above

Question number: 6

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

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.

BaO is soluble, but BaSO 4 is insoluble in water

c.

Alkali earth metals can’t be obtain by chemical reduction

d.

BeO insoluble, but BaSO 4 is soluble in water

Question number: 7

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

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.

Chalk

c.

Burnt plaster

d.

Keene cement

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