S-Block Elements Group 1 and 2 (NEET Chemistry): Questions 33 - 39 of 49

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Question number: 33

» 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: 34

» 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: 35

» 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: 36

» 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: 37

» 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

Question number: 38

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

MCQ▾

Question

Why BaSO 4 is insoluble where as BeSO 4 is soluble in water?

Choices

Choice (4) Response

a.

Hydration energy of BaSO 4 is more than its lattice energy

b.

Hydration energy of BeSO 4 is less than its lattice energy

c.

Hydration energy of BaSO 4 is equal to lattice energy

d.

Hydration energy of BaSO 4 is less than its lattice energy

Question number: 39

» S-Block Elements Group 1 and 2 » Biological Significance of Na, K, Mg and Ca

MCQ▾

Question

Which of the following magnesium compound is used as antacid in medicine?

Choices

Choice (4) Response

a.

MgCl2

b.

MgSO4

c.

Mg(OH)2

d.

MgCO3

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