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Question (1)

QN007411

Ionic compounds are generally:

(A) Soft solids
(B) Liquids at room temperature
(C) Hard crystalline solids
(D) Gases only

Correct Answer: C

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Question (2)

QN007412

Covalent compounds are usually poor conductors of:

(A) Heat only
(B) Electricity
(C) Light
(D) Sound

Correct Answer: B

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Question (3)

QN007413

Which compound has high melting point due to strong electrostatic forces?

(A) Methane
(B) Water
(C) Sodium chloride
(D) Carbon dioxide

Correct Answer: C

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Question (4)

QN007414

Ionic compounds conduct electricity in molten state because:

(A) Electrons move freely
(B) Ions become free to move
(C) Molecules break into atoms
(D) Heat creates electrons

Correct Answer: B

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Question (5)

QN007415

Covalent compounds generally have:

(A) High boiling points
(B) High melting points
(C) Low melting and boiling points
(D) Infinite melting points

Correct Answer: C

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Question (6)

QN007416

Which property is characteristic of ionic compounds?

(A) Insoluble in water
(B) Conduct electricity in aqueous solution
(C) Soft texture
(D) Low melting point

Correct Answer: B

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Question (7)

QN007417

Which substance conducts electricity in aqueous solution?

(A) Sugar solution
(B) Sodium chloride solution
(C) Kerosene
(D) Carbon dioxide

Correct Answer: B

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Question (8)

QN007418

The particles responsible for conduction in ionic compounds are:

(A) Molecules
(B) Atoms
(C) Ions
(D) Neutrons

Correct Answer: C

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Question (9)

QN007419

Covalent compounds are generally soluble in:

(A) Water only
(B) Organic solvents
(C) Salt solutions
(D) Acids only

Correct Answer: B

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Question (10)

QN007420

Which statement correctly describes ionic compounds?

(A) They contain shared electrons only
(B) They contain oppositely charged ions
(C) They are always gases
(D) They are always colourless

Correct Answer: B

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Question (1)

Ionic compounds are generally:

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Question (2)

Covalent compounds are usually poor conductors of:

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Question (3)

Which compound has high melting point due to strong electrostatic forces?

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Question (4)

Ionic compounds conduct electricity in molten state because:

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Question (5)

Covalent compounds generally have:

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Question (6)

Which property is characteristic of ionic compounds?

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Question (7)

Which substance conducts electricity in aqueous solution?

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Question (8)

The particles responsible for conduction in ionic compounds are:

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Question (9)

Covalent compounds are generally soluble in:

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Question (10)

Which statement correctly describes ionic compounds?

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