In a very low temperature which from the following will freeze at last?

A. River water
B. Canal water
C. Sea water
D. Water in a lake

Check Answer

All water will freeze at the same temperature, assuming that all of the water is at the same temperature and the temperature of the surrounding environment is decreasing at the same rate. The type of water (e.g. river water, canal water, sea water, water in a lake) does not affect the freezing temperature of the water.

It’s worth noting that the freezing point of water can be affected by the presence of impurities or dissolved substances. For example, saltwater will freeze at a lower temperature than pure water because the salt lowers the freezing point of the water. So the sea water has more salt than other water among these options.

Therefore, the correct answer is C) Sea water.
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