Question

Why does the volume of water remain unchanged even after dissolving sugar in it?
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Answer 1

Answer:

When sugar is dissolved in water, the volume does not remain the same. As a soluble material is added to a solvent, it's molecules become surrounded by the solvent molecules and the volume increases slightly.

Explanation:

Answer 2

Answer:

the level of water doesn't change when sugar is dissolved in it as it is soluble in water it occupies space between the 2 molecules of water. Hence it's level ie it's volume doesn't increases.