Question

1. A mixture of sugar and water cannot be
separated by filtration.
2. After harvesting the crop, the farmer cannot
separate husk from grains by handpicking.
3. Stones and husk are removed from rice before
cooking.
4. Water is called a universal solvent.​

Answer 1

Answer:

1. False

2. False

3. True

4. True

Answer 2

Explanation:

Filtration is the process through which insoluble substances are separated from any liquid (water). But sugar is soluble in water so the solution of sugar in water cannot be separated by filtration method.

2)After harvesting of crops , the farmer can not separate husk from the grain by handpicking because husk is a light weight substance. It would be more time consuming, and less effective. So, another process called winnowing is done that separates the mixture of heavier and lighter particles.

3)Husk and stones could be separated from grains by handpicking. Husk is separated from heavier seeds of grain by winnowing. Difference in the size of particles in a mixture is utilised to separate them by the process of sieving and filtration.

4)Water is capable of dissolving a variety of different substances, which is why it is such a good solvent. And, water is called the "universal solvent" because it dissolves more substances than any other liquid. ... This allows the water molecule to become attracted to many other different types of molecules.

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