Class 6 Science Chapter 5 MCQ

Class 6 Science Chapter 5 MCQ (Multiple Choice Questions) of Separation of Substances. These MCQ tests are prepared taking questions from NCERT Textbook of Class 6 Science Chapter 5 and Exemplar books.

All the Objective questions are explained well with proper answer and giving reason behind the answers.

Class 6 Science Chapter 5 MCQ for 2020-2021

Class: 6Science
Contents:Multiple Choice Questions – MCQ Tests

Class 6 Science Chapter 5 MCQ with Answers

Class 6 Science Chapter 5 MCQ with answers and explanation are given below. These sets of MCQs are the collection of Objective Questions from Class 6 Science Chapter 5. Practice these questions to buildup confidence and score good marks in tests.

Q1

Consider the following sentences and choose the incorrect one:

[A]. A mixture of tea leaves and milk can be separated by decantation.
[B]. A mixture of wheat grains and rice flakes can be separated by winnowing.
[C]. A mixture of iron filling and rice flour can be separated by sieving.
[D]. Water can be separated from salt by evaporation.
Q2

Paheli is writing some statements. She wants to know in which of the following statements is or are correct?

[A]. A mixture of wheat grains and wheat flour can be separated by sieving.
[B]. A mixture of oil and water can be separated by decantaion.
[C]. In winnowing, process the husk particles are carried away by the wind to a greater distance.
[D]. All the above



Q3

Consider the given statement and choose the correct one:

[A]. A mixture can be solid, liquid or gas.
[B]. Most of the things which we use in our day to day life mixture.
[C]. A mixture is made of two or more pure substances.
[D]. All the above.
Q4

Paheli wants to write the reasons for separating mixtures into their compounds:

[A]. To obtain useful component.
[B]. To remove undecidable component.
[C]. To obtain the pure sample of a substance.
[D]. All of the above.
Q5

Which of the following statement is or are incorrect?

[A]. A mixture of milk and water can be separated by filtration.
[B]. Grain and husk can be separated with the process of decantation.
[C]. Separation of sugar from tea can be done with filtration
[D]. All the above.
Q6

In which of the following statements is or are incorrect?

[A]. Centrifugation is used to separate cream from milk.
[B]. For Separation of two miscible liquids we use filtration process.
[C]. Chlorine is added to water to kill germs.
[D]. Shallow salt water lakes are called “Lagoon”.




Q7

Which amongst the following methods would be most appropriate to separate grains from bundles of stalks?

[A]. Hand-picking
[B]. Winnowing
[C]. Sieving
[D]. Threshing
Q8

Which of the following mixture would you be able to separate using the method of filtration?

[A]. Oil in Water
[B]. Cornflakes in milk
[C]. Salt in water
[D]. Sugar in milk
Q9

Boojho obtained salt from salt water mixture (or salt solution) by evaporation but water cannot be recovered during evaporation, it is lost into air. In order to recover both salt as well as water from solution, method will be:

[A]. Distillation
[B]. Decantation
[C]. Filtration
[D]. Loading
Q10

Paheli is writing some statements. She wants to know in which of the following statements is or are incorrect?

[A]. The solubility of a substance in water increases on increasing the temperature.
[B]. The solubility of a substance in water increases on lowering the temperature.
[C]. The solubility of a substance refers to its saturated solution.
[D]. The solubility of different substance is water is different.
More Questions for practice
    1. What do you mean by classification?
    2. Name two natural materials and two man-made materials.
    3. What is a magnetic material?
    4. Name four substances which flow or sink in water.
    5. Give two examples of each of the following—transparent, translucent and opaque.
    6. Name two good conductors and two bad conductors.



What are soluble substances?

Substances like sugar and common salt dissolve completely in water. They are called soluble substances.

What do you understand by metallic lustre?

Metals like silver and gold have bright metallic luster because when light falls on the surface of these metals, the surface gives a shining appearance which is known as metallic lustre.

What are insoluble substances?

Certain substances which do not dissolve in water are called insoluble substances.

Which type of substances are called transparent substances?

Object which allows light to pass through it completely is called transparent. Example: glass, air.