A boy added a large spoon of sugar to both boiling water and cold water and observed the solution formed. Which among the following is closest to his observation?

Sugar gets completely dissolved in boiling water

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Sugar doesn't dissolve in boiling water

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Sugar gets completely dissolved in cold water

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Sugar doesn't dissolve in cold water

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Solution

The correct option is A
Sugar gets completely dissolved in boiling water

When a solute is added to a solvent, the solute gets dissolved in the solvent because the kinetic energy of the solvent molecules generally overcomes the attractive forces among the solute particles. The solute particles moves into the liquid phase. As we rise the temperature, kinetic energy increases and hence solubility also increases.

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Similar questions

A boy added a large spoon of sugar to both boiling water and cold water and observed the solution formed. Which among the following is closest to his observation?

Q. If X mg of sugar is completely dissolved in 200 mL of boiling water and Y mg of sugar is completely dissolved in 200 mL of cold water. What is the relation between X and Y?

Q. Sugar dissolves better in hot water _________ than in cold water.

Question 02
On dissolving sugar in water at room temperature solution feels cool to touch. Under which of the following cases dissolution of sugar will be most rapid?
(a) Sugar crystals in cold water (b) Sugar crystals in hot water
(b) Powdered sugar in cold water (d) Powdered sugar in hot water

When water containing sugar is stirred with a spoon, sugar is dissolved faster. Why does this happen?

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