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
The rusting of an iron object is called:
[A]. Corrosion and it is a physical as well as a chemical change
[B]. Dissolution and it is a physical change
[C]. Corrosion and it is a chemical change
[D]. Dissolution and it is a chemical change
Q2
A mixture of sulphur and carbon disulphide is:
[A]. Heterogeneous and shows Tyndall effect
[B]. Homogeneous and shows Tyndall effect
[C]. Heterogeneous and does not show Tyndall effect
[D]. Homogeneous and does not show Tyndall effect
Q3
Tincture of iodine has antiseptic properties. This solution is made by dissolving :
[A]. Iodine in potassium iodide
[B]. Iodine in acetone
[C]. Iodine in water
[D]. Iodine in alcohol
Q4
In a quiz competition, you are asked a question where you have to choose the statement which is/ are incorrect?
[A]. The electric wires are made of copper and Aluminium metals because they are very good conductors of electricity.
[B]. Only one metal, mercury, is in liquid state at room temperature.
[C]. Metal gallium has a such a low melting point that it starts melting in hand by the heat of our body.
[D]. Sodium and potassium metals have high densities than iron.
Q5
Recently, in a science class test, you are asked a question where you have to say whether the statements are correct or not?
[A]. The solution made by dissolving solute in organic liquids are called non aqueous solutions.
[B]. The substance which is dissolved in a liquid to make a solution is called solvent.
[C]. The solute particles are also called “dispersed particles” and solvents are also known as “dispersion medium”.
[D]. None of the above.
Q6
Read the following sentences carefully, and choose the incorrect one:
[A]. In a colloidal solution or colloid the particles are big enough to scatter light.
[B]. The scattering of light by colloidal particles is known as “Tyndall effect”.
[C]. Colloids are heterogeneous in nature, though they appear to be homogeneous.
[D]. The particles of most of the colloids can be seen with a microscope.
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
Read the following sentences carefully, and choose the correct one:
[A]. Distillation is a process of heating a liquid to form vapour, and then cooling the vapour to get back liquid.
[B]. Chromatography is a technique of separating two or more dissolved solids which are present in a solution in very small quantities.
[C]. Black ink is a mixture of several colored substance or dyes which can be separated by paper chromatography.
[D]. All 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
Which of the following are physical changes?
[A]. Melting of iron metal, rusting of iron metal, bending of an iron rod.
[B]. Melting of iron metal, rusting of iron metal, 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 metal, bending of an iron rod, drawing a wire of iron metal.
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Last Edited: June 10, 2023
