S-Block Elements Group 1 and 2 (NEET Chemistry): Questions 46 - 49 of 49

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Question number: 46

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

MCQ▾

Question

The electrolyte used in Castner’s process of sodium extraction is?

Choices

Choice (4) Response

a.

anhydrous Na2CO3

b.

NaCl+Na2CO3

c.

fused anhydrous NaOH

d.

aqueous NaOH

Question number: 47

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

MCQ▾

Question

Arrange the motilities of alkali metal ions in aqueous solution?

Choices

Choice (4) Response

a.

L i + < N a + < K + < R b +

b.

Na+>Li+>K+>Rb+

c.

Li+>Na+>K+>Rb+

d.

Na+<Li+<K+<Rb+

Question number: 48

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

MCQ▾

Question

Which of the following alkali metal has lowest density?

Choices

Choice (4) Response

a.

Strontium

b.

Magnesium

c.

Calcium

d.

Beryllium

Question number: 49

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

MCQ▾

Question

Which of the following process is used for the preparation of sodium carbonate

Choices

Choice (4) Response

a.

Solvay process

b.

Nessler’s process

c.

Contact process

d.

Kolbe’s process

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