PH-1712
States of matter
Physics · Secondary 4 · Medium · States of matter
A metal block is heated until it melts completely into a liquid. Which change in properties BEST explains why the liquid metal can now be poured into a mould?
- The particles become farther apart and fixed in position.
- The particles remain close together but can move past each other freely.
- The particles become fixed and can no longer vibrate.
- The particles become very far apart and stop colliding.
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