Question

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Answer 1

Answer:

DEFINE THE FOLLOWING TERM :

1.Sieving is defined as a method in which two or more components of different sizes are separated from a mixture on the basis of the difference in their sizes. Thus, it cannot separate two substances in a mixture which have the same size. For example, it cannot separate a mixture of chalk powder from flour.

2.A homogeneous mixture is a solid, liquid, or gaseous mixture that has the same proportions of its components throughout any given sample.

3.The definition of endothermic is a chemical reaction that is accompanied by the absorption of heat, or an organism that generates heat to maintain its temperature. A chemical reaction that works only if heat is absorbed is an example of a reaction that would be described as endothermic.

4.Water chlorination is the process of adding chlorine or chlorine compounds such as sodium hypochlorite to water. ... In particular, chlorination is used to prevent the spread of waterborne diseases such as cholera, dysentery, and typhoid

5. The method in which substances in a mixture can be separated by just picking them out with the help of hand from the mixture is known as handpicking method. It is one of the various methods which are carried out in dry conditions.

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