Freezing point of saltwater
CMAT 2018 · General Knowledge · Easy · General Knowledge
Which of the following is true?
- A.
Saltwater freezes at the same temperature as fresh water
- B.
Saltwater freezes at a slightly higher temperature than fresh water
- C.
Saltwater freezes at a slightly lower temperature than fresh water
- D.
Seawater does not freeze
Answer
C
Explanation
Salt in water lowers its freezing point (freezing point depression), making saltwater freeze at a lower temperature than fresh water.
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