Rakhi adds 5 tablespoons of sugar to about 1 litre (5 glasses) of water in a
vessel and stirs the water till the sugar dissolves. She then starts boiling the
water. After every 2 minutes, she takes out 2 spoons of this water and
keeps it in different vessels to cool. On tasting the different samples of
cooled water, she will find that
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The water is not of the similar taste as that of hot boiling water.
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Answer:
The water is getting sweeter gradually compared to the first sample as times passes by.
Step-by-step explanation:
- Boiling is the rapid vaporization of a liquid that occurs when it is heated to its boiling point (the temperature at which the liquid's vapor pressure equals the pressure exerted on it by the surrounding atmosphere).
- In this question the sugar is the solute and the water is the solvent. Well the sugar water is boiled the solvent boils away leaving the solute in the solution. As the volume of solvent decrease the sugar concentration increases resulting in sweetening of the solution.
- This is employed in candy making process where boiling the sugar syrup evaporates the water, increasing the sugar concentration and increasing the temperature.
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