Updated on June 10, 2023
by Tiwari Academy
by Tiwari Academy
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 2025-26. 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: 9 | Science |
| Chapter: 2 | Is 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
Anushka is completed her science chapter where she wrote some statements. She wants to know whether the statements are correct or not? Anushka wants to take help from you:
[A]. An element cannot be split up into two or more simpler substances because it is made of only one kind of atoms.
[B]. There are 118 elements known at present, out of which 94 elements, occur in nature while the remaining 24 elements have been prepared artificially.
[C]. 11 elements are gases whereas only two elements mercury and bromine a liquid at room temperature.
[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
On the basis of composition of matter, milk is considered to be :
[A]. A pure substance
[B]. An impure substance
[C]. An element
[D]. A compound
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
Pooja is writing some statements but she confused to know why water is considered as a compound and not a mixture. If you know the answer to this question, help her to choose the incorrect statements:
[A]. Water cannot be separated into its constituent’s hydrogen and oxygen by the physical methods.
[B]. It contains hydrogen and oxygen combined together in a fixed proportion of 1 : 9 by mass.
[C]. Heat and light are given out when water is prepared by burning hydrogen in oxygen.
[D]. None of the above.
Q7
Which of the following statement is or are incorrect?
[A]. A solution in which more quantity of solute can be dissolved without raising its temperature, is called an unsaturated solution.
[B]. A solution in which no more solute can be dissolved at that temperature is called a saturated solution.
[C]. If a saturated solution at a particular temperature is heated to a higher temperature, then it becomes unsaturated.
[D]. None of the above.
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
Nitika is writing some statements but she confused to know whether the statements are correct or not? If you know the answer to this question, then tell her:
[A]. A mixture of common salt and water can be separated completely by the process of distillation.
[B]. Those liquids which mix together in all proportion and form a single layer are called miscible liquids.
[C]. Pure water or distilled water is made from tap water by the process of distillation.
[D]. All the above
Q10
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.
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Last Edited: June 10, 2023
