Q2 of 22 Page 85

In which of the following activities will you use minimum amount of water?

For brushing our teeth we require only a mug of water to wash our mouth after we brush our teeth. Whereas, activities like bathing, washing clothes and mopping a room require more a bucket of water or even more.

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1

Which of the following activity does not involve use of water?

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The quantity of water required to produce one page of your book is

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Water in our tap comes from

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In which of the following case evaporation of water will be slowest?