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A piece of ice floats in a liquid denser than water. The liquid fills the vessel up to the edge. If ice melts completely then:
a) water level remains unchanged
b) water level decreases
c) water overflows
d) data is insufficient

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Last updated date: 23rd Jun 2024
Total views: 405k
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Answer
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Hint: A substance A will float on other substance B if its density is lesser than the substance it is kept on. Density is the ratio of mass over volume. Density determines how tightly packed a substance’s molecules are. Here in the question the ice floats on the liquid because its density is lesser than the liquid. The density of liquid is greater than the density of water.

Complete step by step answer:
Since the density of ice is lesser than the water, we know that the density of liquid given is greater than that of water. Therefore, the ice will float over the liquid.
Later on, if the ice melts completely, it becomes water, which again is less dense than the liquid in the vessel. Therefore, the water will remain on the top.
Since the liquid fills the vessel up to the edge. Therefore, the water will overflow.

So, the correct answer is “Option C”.

Note:
Density is the ratio of mass over volume. Density determines how tightly packed a substance’s molecules are. Ice has little bubbles of air inside it therefore its density is lesser than the density of water