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47. Explain the traditional way of purifying water to make it fit for drinking. |
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Answer» Traditional Methods Used for Water Filtration Filtration done in clay vessel:The technique consists of pouring water into clay vessel having a suitable pore size. The water settles down in the clay vessel and passes through the pores of the clay. The purified water collects in a jar placed at the bottom of the clay vessel. Filtration done through cloth:This is another common filtration method used in the early years. The filtration process removes impurities such as debris, insects, dust particles and other suspended elements. Water passes through a thin white cloth, which removes impurities present in water. Filtration done through Winnowing Sieve:The filtration process removes coarse particles and other physical impurities present in water. Raw water passes through a winnowing sieve, which filters all the impurities, thereby collecting fresh water, which is safe for drinking. |
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