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You are given two samples of water labelled as ‘A’ and ‘B’. Sample ‘A’ boils at 100°C and sample ‘B’ boils at 102°C. Which sample of water will not freeze at 0°C? Comment. - Science

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Question

You are given two samples of water labelled as ‘A’ and ‘B’. Sample ‘A’ boils at 100°C and sample ‘B’ boils at 102°C. Which sample of the water will not freeze at 0°C? Comment.

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Solution

Sample ‘B’ which boils at 102°C contains impurities. It will not freeze at 0°C. There will be a depression at the freezing point.

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Chapter 2: Is Matter Around Us Pure - Short Answer Questions [Page 15]

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NCERT Exemplar Science [English] Class 9
Chapter 2 Is Matter Around Us Pure
Short Answer Questions | Q 21. | Page 15

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