PDF chapter test TRY NOW
Answer the following questions in a few sentences:
You want to wear your favourite shirt to a party, but the problem is that it is still wet after a wash. What steps would you take to dry it faster?
Wet clothes dried up because of . The rate of evaporation increases with the increase in temperature, surface area and wind speed. Hence, keeping the conditions to the rate of evaporation in mind, the following steps should be taken to get the favourite shirt dried up quickly-
(a). The shirt can be spread on a wire that increases the .
(b). should be supplied to the shirt using a fan, increasing the rate of evaporation.
(c). If it is daytime, arrange the above combination in the sun, so that increase in would increase the rate of evaporation.
(d). If it is not daytime, a hot iron can also be used before hanging the shirt on a wire.
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