Four mixtures are given below, which of these can be separated by the method of winnowing? (a) Kidney beans and chickpeas, pulses and rice (b) Pulses and rice, Rice-flakes and corn (c) Kidney beans and chickpeas, Rice-flakes and corn (d) Rice-flakes and corn, Potato wafers and biscuits
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d) Rice-flakes and corn, Potato wafers and biscuits
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Winnowing is used to separate heavier and lighter components of a mixture by wind or by blowing air. Rice flakes and potato wafers are lighter substances in mixture, so these are separated from the given mixture by winnowing.
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