SC-1010
Solubility
Lower Sec Science · Secondary 1 · Hard · Solubility
A powder dissolves faster in hot water when it is crushed into smaller pieces. Which statement best explains this observation?
- Smaller pieces have a larger surface area in contact with water.
- Smaller pieces have a lower density than larger pieces.
- Crushing changes the powder into a different substance.
- Crushing makes the water boil faster.
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