A container is filled with water at 4°C. The water will overflow if the temperature of water is __:

Answer: [C] Increased or decreased

The reason is the anomalous expansion of water. The maximum density of water occurs at 4°C. So the water expands whether it is heated above 4°C or cooled below 4°C.

This question is a part of GKToday's Integrated IAS General Studies Module