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Materials (General Science) Solved Questions & Notes (2026) - Apex Rankers

General Competitive Exams > General Science > Materials

3 Total Solved Questions
~5 mins Estimated Reading Time
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Materials

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Q. 1 General Knowledge
Difficulty: Easy (1 Mark)
Which of the following is not an alloy?
A
Bronze
B
Zinc
✓ Correct
C
Brass
D
Steel
💡 Step-by-Step Explanation & Concept Rationale
Zinc is a pure chemical element; Bronze, Brass, and Steel are mixtures of two or more metals (alloys).
Q. 2 General Knowledge
Difficulty: Easy (1 Mark)
Hardest substances is ————
A
Diamond
✓ Correct
B
Gold
C
Silver
D
Copper
💡 Step-by-Step Explanation & Concept Rationale
Diamond is an allotrope of carbon with a rigid crystal structure, making it the hardest natural material.
Q. 3 General Knowledge
Difficulty: Easy (1 Mark)
The newly discovered high temperature superconductors are –
A
Metal alloys
B
Pure rare – earth metals
C
Ceramic oxides
✓ Correct
D
Inorganic polymers
💡 Step-by-Step Explanation & Concept Rationale
High-temperature superconductors discovered in the late 1980s are typically complex ceramic materials.
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