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

Paheli asked for a glass of water from Boojho. He gave her a glass of ice-cold water. Paheli observed some water droplets on the outer surface of the glass and asked Boojho, how these droplets of water were formed? Which of the following should be Boojho’s answer?

[A]. Evaporation of water from the glass.
[B]. Water that seeped out from the glass.
[C]. Evaporation of atmospheric water vapour.
[D]. Condensation of atmospheric water vapour.
Q2

Consider the following statements and choose the incorrect one:

[A]. Rice flour mixed with kidney beans, separated by sieving.
[B]. Lady’s finger mixed with French-beans, separated by hand-picking.
[C]. Salt mixed with water, separated by evaporation.
[D]. None of the above.



Q3

Paheli is writing some statements but she confused to know whether the statements are incorrect? Would you help her?

[A]. The ability of a substance to dissolve in water to form a solution is known as solvent.
[B]. A substance in which others materials dissolve called solute.
[C]. The substance that is dissolved in the solvent to form the solution called solubility.
[D]. All the above.
Q4

Mohan is writing some statements, choose the correct statements and help him:

[A]. Mixture is a substance obtained by mixing more than one pure substance.
[B]. Pure substance that is made of only one kind of particles.
[C]. Aerated drink is a mixture of water, sugar and carbon dioxide.
[D]. All the above
Q5

In a solution of salt and water, no more salt can be dissolved. If we want to add more salt, it needs to be:

[A]. Shaked well
[B]. Filtered
[C]. Alum has to be added
[D]. Heated
Q6

Four mixtures are given below, which of these can be separated by the method of winnowing?

[A]. Kidney beans and chickpeas, pulses and rice
[B]. Pulses and rice, Rice-flakes and corn
[C]. Kidney beans and chickpeas, Rice-flakes and corn
[D]. Rice-flakes and corn, Potato wafers and biscuits




Q7

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
Q8

Paheli asked for a glass of water from Boojho. He gave her a glass of ice-cold water. Paheli observed some water droplets on the outer surface of the glass and asked Boojho, how these droplets of water were formed? Which of the following should be Boojho’s answer?

[A]. Evaporation of water from the glass
[B]. Water that seeped out from the glass
[C]. Evaporation of atmospheric water vapour
[D]. Condensation of atmospheric water vapour
Q9

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.
Q10

Paheli bought some vegetables such as French-beans, lady’s finger, green chilies, brinjals and potatoes all mixed in a bag. Which of the following methods of separation would be most appropriate for her to separate them?

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