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Materials: Metals and Non-Metals Practice Questions

Class 8 · Science · 1174 free MCQs with instant results and detailed explanations.

1174
Total
357
Easy
572
Medium
245
Hard

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Topics in Materials: Metals and Non-Metals

Physical Properties 305
Uses 300
Reactivity 285
Chemical Properties 284

Sample Questions from Materials: Metals and Non-Metals

Here are 10 sample questions. Start a quiz to get randomized questions with scoring.

Q1
Easy
Which of the following is NOT a metal?
A. Copper
B. Gold
C. Oxygen
D. Iron
Show Answer & Explanation
Correct Answer: C
Oxygen is a non-metal gas and does not exhibit metallic properties.
Q2
Easy
Which physical property is generally higher in metals compared to non-metals?
A. Melting Point
B. Density
C. Electrical Conductivity
D. All of the above
Show Answer & Explanation
Correct Answer: D
Metals typically have higher melting points, densities, and electrical conductivity than non-metals.
Q3
Easy
Which metal is liquid at room temperature?
A. Iron
B. Gold
C. Mercury
D. Aluminum
Show Answer & Explanation
Correct Answer: C
Mercury is unique among metals as it remains liquid at room temperature.
Q4
Medium
Which of the following properties is generally NOT associated with metals?
A. Good conductors of heat
B. Malleable and ductile
C. Brittle in nature
D. High density
Show Answer & Explanation
Correct Answer: C
Metals are typically malleable and ductile, meaning they can be shaped and stretched without breaking, whereas brittleness is more characteristic of non-metals.
Q5
Medium
If a metal has a density of 8 g/cm³ and is submerged in water, will it float or sink?
A. Float
B. Sink
C. Neither float nor sink
D. Depends on the temperature
Show Answer & Explanation
Correct Answer: B
Since the density of the metal (8 g/cm³) is greater than the density of water (1 g/cm³), it will sink when submerged.
Q6
Medium
Which of the following is a characteristic property of non-metals?
A. They can conduct electricity
B. They are usually malleable
C. They form anions
D. They have high melting points
Show Answer & Explanation
Correct Answer: C
Non-metals generally gain electrons to form anions in chemical reactions, which is a defining property.
Q7
Medium
Which non-metal is known for being a good conductor of electricity?
A. Sulfur
B. Phosphorus
C. Graphite
D. Chlorine
Show Answer & Explanation
Correct Answer: C
Graphite, a form of carbon, is a non-metal that can conduct electricity due to the mobility of its electrons.
Q8
Hard
Which of the following metals is known to be liquid at room temperature?
A. Mercury
B. Gallium
C. Aluminum
D. Lead
Show Answer & Explanation
Correct Answer: A
Mercury is the only metal that remains liquid at room temperature, while gallium melts just above room temperature.
Q9
Hard
A metal is used to make wires due to which of the following properties?
A. Malleability
B. Brittleness
C. Dullness
D. Solubility
Show Answer & Explanation
Correct Answer: A
Malleability allows metals to be drawn into wires; this property is essential for electrical wiring.
Q10
Hard
Which of the following non-metals is essential for life and is present in amino acids?
A. Oxygen
B. Nitrogen
C. Sulfur
D. Carbon
Show Answer & Explanation
Correct Answer: B
Nitrogen is a key component of amino acids, which are vital for the structure and function of proteins in living organisms.

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Materials: Metals and Non-Metals — Class 8 Science Practice Questions Online

This page contains 1174 practice MCQs for the chapter Materials: Metals and Non-Metals in Class 8 Science. The questions are organized by difficulty — 357 easy, 572 medium, 245 hard — so you can choose the right level for your preparation.

Every question includes a detailed explanation to help you understand the concept, not just memorize answers. Take a timed quiz to simulate exam conditions, or practice at your own pace with no time limit. This chapter covers 4 topics, giving you comprehensive coverage of the entire chapter.