How can you separate a mixture of rice and sand?

Online Answer
(iv) Mixture of rice and salt: Rice and salt can be separated by sieving. (v) Mixture of sand and salt: Sand and salt is mixed with water. Salt dissolves in water and sand can be separated by sedimentation and decantation followed by filtration. After that, using evaporation, common salt is separated..
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(a) Sand and saw dust cannot be separated by hand picking..
Many heterogenous mixtures in which size of particles is large enough are separated by simply using handpicking separation method. While some heterogenous mixtures you can't separate by this method such as sand and salt..
Stalks of the crop need to be separated because we need grains for our food purpose and moreover if we do not separate it out, degradation will start and the crop will be spoiled. ...
Answer: A common example is decantation of oil and vinegar. When a mixture of the two liquids is allowed to settle, the oil will float on top of the water so the two components may be separated. Kerosene and water can also be separated using decantation.
Two immiscible liquids, oil and water, can be separated by using Separating Funnel. The mixture of oil and water forms two separate layers because they are completely insoluble in each other. Oil forms the upper layer while water forms lower..