Give scientific reasons:
(a) Cooking utensils are made of metals.
(b) A china cup is used for drinking hot tea.
Blocks of ice are kept in sawdust.
(d) We use woollen clothes in winter.
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Answer:
(b) A china cup is used for drinking hot tea.
Explanation:
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Answer:
1. Cooking utensils are made up of metals because metals are good conductors of heat due to which heat is he conducts to the base of the metals to the contents in it and heat the contents much faster.
3. blocks of ice are kept in South does because air is trapped between the particles of sawdust which prevents the outside air from melting the ice.
4. In winter, we wear woollen clothes as they restrict the heat conduction from our body to the surroundings and, thus, keep the body warm.
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