Which of the following substance is malleable and ductile?
Correct answer: D. Aluminium
- A. Sodium chloride
- B. Copper sulphate
- C. Mercury
- D. Aluminium
Explanation
Aluminium metal is both malleable and ductile
This question appeared on the NUMS 2023 paper, which you can sit online with every answer explained.
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About Crystalline Solids
Crystalline solids contain particles arranged in a regular repeating lattice described by a unit cell. Their study includes coordination number, packing efficiency, density, anisotropy, cleavage, polymorphism and common crystal systems, along with ionic, molecular, covalent network and metallic crystals. Crystalline order differs from the random arrangement of amorphous solids.
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