NEET Chemistry: Questions 134 - 140 of 677

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Question number: 134

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

MCQ▾

Question

Which of the following salts does not form any precipitate with excess of NaOH?

Choices

Choice (4) Response

a.

CrCl3

b.

CuSO4

c.

F e C l 3

d.

ZnCl2

Question number: 135

» S-Block Elements Group 1 and 2 » Diagonal Relationships

MCQ▾

Question

Which of the following statement is not true regarding Li and Mg diagonal relationship?

Choices

Choice (4) Response

a.

Li and Mg salts are undergo hydrolysis

b.

Li and Mg combine with nitrogen on heating

c.

Atomic volumes of both are quite similar

d.

Li and Mg have very less polarizing power.

Question number: 136

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

MCQ▾

Question

Plaster of Paris is obtained on heating gypsum at?

Choices

Choice (4) Response

a.

120 0 C

b.

200 0 C

c.

150 0 C

d.

180 0 C

Question number: 137

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

MCQ▾

Question

Slaked lime is obtained when water is added to?

Choices

Choice (4) Response

a.

CaSO4.12H2O

b.

CaCl2

c.

CaO

d.

CaCO3

Question number: 138

» S-Block Elements Group 1 and 2 » General Introduction

MCQ▾

Question

What is the formula of Glauber’s salt?

Choices

Choice (4) Response

a.

NaHSO4

b.

Na2SO4

c.

Na2SO4.5H2O

d.

Na2SO4.10H2O

Question number: 139

» S-Block Elements Group 1 and 2 » General Introduction

MCQ▾

Question

The name and formula of the compound of magnesium, chlorine and oxygen used as a drying agent is?

Choices

Choice (4) Response

a.

Magnesium per chlorate

b.

Magnesium chlorate

c.

Magnesium oxy chlorite

d.

None of the above

Question number: 140

» S-Block Elements Group 1 and 2 » Electronic Configuration

MCQ▾

Question

Sodium is heated in air at 350 0 C to form X, X absorbs CO 2 and forms sodium carbonate and Y. Which of these following is Y. ?

Choices

Choice (4) Response

a.

O2

b.

H2

c.

O 3

d.

H2O2

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