Question

Fill in the blanks:
1. Materials which contain two or more substances in any proportion are called
2.
mixtures are not uniform in appearance and composition.
3. Cereals like wheat and rice are sources of
4. The process in which a liquid change into vapour is called
5.
is a process of separating the component of substances from a liquid mixture by
selecting evaporation and condensation.
State whether 'True' or 'False'
1. Rock salt is an impure substance.
2. Filtration is used to make fruit juice.
3. The saline water from oceans is rich in salt.​

Answer 1

Answer:

Evaporation. Evaporation is a technique used to separate out homogeneous mixtures where there is one or more dissolved salts. The method drives off the liquid components from the solid components. The process typically involves heating the mixture until no more liquid remains.

Explanation:

Solution: Method of separating the components from a mixture. In this method heavier and lighter components of a mixture are separated by wind or by blowing air. This method is used to separate grains from husk.

Answer 2

Answer:

1) mixtures

2) heterogeneous

3) carbohydrates

4) evaporation

5) filkteration

true or false:-

1) true

2) false

3) true