Question

APPLICATION-BASED QUESTIONS
K. Give reasons for the following.
1. The ice placed in the wire gauze placed in water does not melt when the top surface
of water is heated.
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2. The iron girdres of bridges are placed on rollers.
3. If a spoon is heated at one end, the heat is felt at the other end after a while.
4. Cooking utensils are made of metals.
5. Why do birds puff up their feathers on a cold day?
6. Why is ice wrapped in sawdust or woollen blanket for storage?
7. In severe winters, why can aquatic life survive at the bottom of lakes and ponds?​

Answer 1

Answer:

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