Class 9 Science Chapter 2 MCQ (Multiple Choice Questions) of Is Matter Around us pure? All the questions are important for class unit tests and school’s terminal exams 2024-25. MCQ Online tests take less time to revise any chapter. So, Student can revise the entire chapter 2 of class 9 science in less time. These MCQ questions contain all intext and exercises questions also in the form of objective questions.

Class: 9Science
Chapter: 2Is Matter Around us pure?
Contents:MCQ Online Test with Answers

Class 9 Science Chapter 2 MCQ with Answers

Class 9 Science Chapter 2 MCQ Online tests with solution and explanation. There are about 70 questions in the form of objectives with four choices. These MCQ covers the entire chapter of grade 9 Science NCERT Chapter 2. For the preparation of unit tests or terminal exams, students may use these questions as revision.

Q1

Consider the following statements and choose the correct one(s):

[A]. A pure substance is one which is made up of only one kind of particles.
[B]. All the elements and compounds are pure substances.
[C]. A pure substance cannot be separated into other kinds of matter by any physical process.
[D]. All of the above
Q2

Read the following sentences carefully, and choose the correct one:

[A]. The property which allows the materials to be hammered or beaten into thin sheets without breaking is called malleability.
[B]. The property which allows the metals to be drawn or stretched into thin wires without breaking is called ductility.
[C]. the property due to which non-metals break into pieces on hammering is called brittleness.
[D]. All of the above
Q3

Which of the following are physical changes?

[A]. Melting of iron metal, Rusting of iron, Bending of an iron rod
[B]. Melting of iron metal, Rusting of iron, Drawing a wire of iron metal
[C]. Melting of iron metal, Bending of an iron rod, Drawing a wire of iron metal
[D]. Rusting of iron, Bending of an iron rod, Drawing a wire of iron metal
Q4

Vibhu appeared in class test but he confused to know the incorrect statement. Would you help him to know that?

[A]. Aluminium foil are used for packing food items like biscuits, chocolates, medicine, cigarettes, etc.
[B]. Ductility is another important characteristic property of metals.
[C]. Malleability is an important characteristic property of metals.
[D]. The poorest conductor of heat among the metals is gold and silver.
Q5

Which of the following statements are true for pure substances?

[A]. Pure substances contain only one kind of particles, pure substances may be compounds or mixtures.
[B]. Pure substances contain only one kind of particles; pure substances have the same composition throughout.
[C]. Pure substances have the same composition throughout, pure substances can be exemplified by all elements other than nickel.
[D]. Pure substances may be compounds or mixtures, pure substances have the same composition throughout.
Q6

Consider the following statements and choose the correct one:

[A]. Graphite is the allotropic form of carbon and it is a good conductor of electricity.
[B]. Bromine is a non-metal which exist as a liquid at room temperature.
[C]. Phosphorus is a non-metal other than carbon which shows allotropy.
[D]. All the above
Q7

Priya is writing some statements, choose the incorrect statement and help him:

[A]. A soap solution cannot scatter a beam of light passing through it.
[B]. An emulsion is a colloid in which minute droplets of one liquid are dispersed in another liquid which is not miscible with it.
[C]. The gel is a semi-solid colloid in which there is a continuous network of solid particles dispersed in a liquid.
[D]. An aerosol is a colloid in which a solid or liquid is dispersed in a gas as fog, mist etc.
Q8

Which of the following statement is or are incorrect?

[A]. Centrifugation is a method for separating the suspended particles of a substance from a liquid in which the mixture is rotated at a high speed in a centrifuge.
[B]. The process of centrifugation is used in dairies to separate cream from milk.
[C]. The separation of a dissolved solids from a liquid can be done by only one methods as evaporation.
[D]. None of the above.
Q9

Consider the following statements and choose the correct one:

[A]. The separation of two immiscible liquids by separating funnel depends on the difference in their densities.
[B]. A mixture of petrol and water can also be separated by using a separating funnel.
[C]. A mixture of mercury, water and benzene can be separated by separating funnel.
[D]. All the above.
Q10

Consider the following statements and choose the correct one(s):

[A]. The elements which shows some properties of metals and some other properties of nonmetals are called metalloids.
[B]. The mixture is a substance which consists of two or more elements or compounds not chemically combined together.
[C]. All the suspension and colloids are considered as heterogeneous mixtures.
[D]. All the above.
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Last Edited: June 10, 2023