GATE 2024 PI – Question 17
General Engineering · Engineering Materials · 1 mark · Multiple choice
Which pure metal is HCP at room temperature?
- Magnesium
- Iron
- Aluminium
- Copper
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Show answer and explanation
Correct answer: (A) Magnesium
Explanation
At room temperature magnesium is hexagonal close packed. Iron is BCC; aluminium and copper are FCC. Therefore **A**.
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