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Srisha wanted to keep ice creams without...

Srisha wanted to keep ice creams without melting. So he had to keep it on ice taken in a container. His grandmother advised him to pour salt on the ice.
(a) Why? (b) What is the value in this?

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**Step-by-Step Solution:** **(a) Why did Srisha's grandmother advise her to pour salt on the ice?** 1. **Understanding Freezing Point Depression**: When salt is added to ice, it lowers the freezing point of water. This phenomenon is known as freezing point depression, which is a colligative property of solutions. 2. **Colligative Properties**: Colligative properties depend on the number of solute particles in a solution, rather than the identity of the solute. In this case, the salt (solute) increases the number of particles in the solution. ...
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