Question:
A metal which can be cut with a knife is:
A metal which can be cut with a knife is:
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Gallium's softness and low melting point make it useful in electronic and semiconductor applications. However, due to its tendency to damage aluminum, it is used cautiously in certain environments.
Updated On: May 30, 2025
- Ga
- Pt
- Pb
- Mg
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The Correct Option is A
Solution and Explanation
Gallium (Ga) is the metal that can be cut with a knife. Its unique properties make it softer at temperatures near room temperature. This is due to its low melting point of about 29.76°C (85.6°F), which means it is not only soft but also can melt in your hand.
The other metals listed have higher melting points and are much harder, making them less susceptible to being cut with a knife under normal conditions:
| Metal | Melting Point (°C) |
|---|---|
| Platinum (Pt) | 1768.3 |
| Lead (Pb) | 327.5 |
| Magnesium (Mg) | 650 |
Thus, due to gallium's low melting point and corresponding softness, it can easily be cut with a knife.
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