States of Matter-Solid State [NEET (2024 Updated)-National Eligibility cum Entrance Test (Medical) Chemistry]: Questions 8 - 13 of 119

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Question 8

Question MCQ▾

Which of the following compound are used in memory units of computers?

Choices

Choice (4)Response

a.

Zinc sulphides

b.

Potassium bromide

c.

Ferrites

d.

Sodium oxides

Edit

Question 9

Question MCQ▾

Which of the following statements is not true about ionic crystals?

Choices

Choice (4)Response

a.

These are crystalline solids at room temperature

b.

Soluble in polar solvents

c.

These are good conductors in solid state

d.

These are quite hard in nature

Edit

Question 10

Question MCQ▾

At room temperature, sodium crystallizes in body centered cubic lattice with Calculate the theoretical density of sodium?

Choices

Choice (4)Response

a.

1.002 g/cm3

b.

2.004 g/cm3

c.

3.5 g/cm3

d.

None of the above

Edit

Question 11

Question MCQ▾

Which of the following defect causes decrease in the density of a crystal?

Choices

Choice (4)Response

a.

Shottky

b.

Interstitial

c.

F-centered

d.

Frenkel

Edit

Question 12

Question MCQ▾

Which of the following compound is also known as Berthollide compound?

Choices

Choice (4)Response

a.

Zinc oxide

b.

Vanadium oxide

c.

Ferrous oxide

d.

All a., b. and c. are correct

Edit

Question 13

Question MCQ▾

What is the shape of a crystal system in which

Choices

Choice (4)Response

a.

Triclinic

b.

Hexagonal

c.

Tetragonal

d.

Rhombohedra

Edit