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Question (1)

QN0035922

Which of the following physical properties is generally associated with metals?

(A) Brittleness
(B) Malleability
(C) Poor conductivity
(D) Dull appearance

Correct Answer: B

Explanation:

Metals are generally malleable, ductile, lustrous and good conductors of heat and electricity.

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Question (2)

QN0035923

A metal is beaten into thin sheets without breaking. Which property is demonstrated?

(A) Ductility
(B) Sonority
(C) Malleability
(D) Hardness

Correct Answer: C

Explanation:

Malleability is the property of metals by which they can be beaten into thin sheets.

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Question (3)

QN0035924

Which of the following is a non-metal that is lustrous?

(A) Sulphur
(B) Iodine
(C) Oxygen
(D) Nitrogen

Correct Answer: B

Explanation:

Iodine is a non-metal but has a lustrous appearance.

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Question (4)

QN0035925

A substance can be drawn into thin wires. Which property does it show?

(A) Malleability
(B) Ductility
(C) Sonority
(D) Brittleness

Correct Answer: B

Explanation:

Ductility is the ability of a material to be drawn into wires.

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Question (5)

QN0035926

Which metal exists in the liquid state at room temperature?

(A) Sodium
(B) Mercury
(C) Aluminium
(D) Iron

Correct Answer: B

Explanation:

Mercury is a metal that is liquid at room temperature.

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Question (6)

QN0035927

A metal has a high melting point and is a good conductor of electricity. Which of the following could be this metal?

(A) Copper
(B) Sulphur
(C) Phosphorus
(D) Oxygen

Correct Answer: A

Explanation:

Copper is a metal and is a good conductor of electricity with a relatively high melting point.

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Question (7)

QN0035928

Which pair contains only metals that are generally good conductors of electricity?

(A) Copper and aluminium
(B) Sulphur and phosphorus
(C) Oxygen and nitrogen
(D) Carbon and sulphur

Correct Answer: A

Explanation:

Copper and aluminium are metals and good conductors of electricity.

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Question (8)

QN0035929

A metal oxide reacts with dilute hydrochloric acid to form salt and water. What type of oxide is most likely involved?

(A) Acidic oxide
(B) Basic oxide
(C) Neutral oxide
(D) Amphoteric gas

Correct Answer: B

Explanation:

Most metal oxides are basic and react with acids to form salt and water.

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Question (9)

QN0035930

Zinc oxide reacts with both an acid and a strong base. What property does this indicate?

(A) It is acidic only
(B) It is basic only
(C) It is amphoteric
(D) It is neutral

Correct Answer: C

Explanation:

Zinc oxide is amphoteric because it reacts with both acids and bases.

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Question (10)

QN0035931

A metal reacts with oxygen to form a metal oxide. If the oxide dissolves in water and forms an alkaline solution, which metal could be involved?

(A) Sodium
(B) Copper
(C) Gold
(D) Silver

Correct Answer: A

Explanation:

Sodium reacts with oxygen to form sodium oxide, which reacts with water to form sodium hydroxide.

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Question (1)

Which of the following physical properties is generally associated with metals?

Explanation:

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Question (2)

A metal is beaten into thin sheets without breaking. Which property is demonstrated?

Explanation:

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Question (3)

Which of the following is a non-metal that is lustrous?

Explanation:

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Question (4)

A substance can be drawn into thin wires. Which property does it show?

Explanation:

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Question (5)

Which metal exists in the liquid state at room temperature?

Explanation:

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Question (6)

A metal has a high melting point and is a good conductor of electricity. Which of the following could be this metal?

Explanation:

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Question (7)

Which pair contains only metals that are generally good conductors of electricity?

Explanation:

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Question (8)

A metal oxide reacts with dilute hydrochloric acid to form salt and water. What type of oxide is most likely involved?

Explanation:

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Question (9)

Zinc oxide reacts with both an acid and a strong base. What property does this indicate?

Explanation:

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Question (10)

A metal reacts with oxygen to form a metal oxide. If the oxide dissolves in water and forms an alkaline solution, which metal could be involved?

Explanation:

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