Question : Which one of the following can be categorised as a solution?
Option 1: Salt
Option 2: Diamond
Option 3: Sea Water
Option 4: Coal
Correct Answer: Sea Water
Solution : The correct answer is Sea Water.
Sea water can be classified as a solution. It is composed of 96.5 per cent water and 2.5 per cent salt. The two ions that are most frequently found in seawater are sodium and chloride. In seawater, these two account for more than 90% of all dissolved ions.
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