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Download Solution PDF- Salt decreases melting point of the ice cream
- Salt increases the melting point of ice cream
- Salt enhances the taste of ice cream
- None of these
Answer (Detailed Solution Below)
Option 1 : Salt decreases melting point of the ice cream
Detailed Solution
Download Solution PDFThe correct answer isSalt decreases the melting point of the ice cream.
Concept:
- The melting pointof a substance is a particular temperature at which the solid and liquid state of that substance attain an equilibrium.
- It can also be identified as the minimum temperature that is required to initiate the conversion ofthe solid-state of a matter to its liquid state.
Explanation:
- The melting point of ice is 0ºC. At this temperature the ice in equilibrium with its liquid state,water.
- When only ice used to make ice cream, at 0ºC ice starts melting by absorbing the energy from its environment inthe formof heat.
- Addition of salt to ice while making ice cream lowers the melting point of ice.
- The temperature at which the equilibrium between ice and its liquid state will be achieved is lowered.
Therefore, salt is added to ice creams to decrease the melting point of ice cream.
![[Solved] Why is salt added in ice creams? (2)](https://i0.wp.com/cdn.testbook.com/resources/lms_creative_elements/additional-information-image.png "[Solved] Why is salt added in ice creams? (2)")
Additional Information
- The same principle is used and applied to clear the snow from roads during snowfall.
- The depression in freezing point depends upon the concentration of salt added.
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