MCQ Questions | Class 9 Science Chapter 2

MCQ Questions | Class 9 Science Chapter 2 | Is Matter Around Us Pure with Answers 

MCQ Questions for Class9 Science Chapter 2 Is Matter Around Us Pure

MCQ | Is Matter Around Us Pure Class 9 | Part-4

Check the below NCERT MCQ Questions for Class 9 Science Chapter 2 Is Matter Around Us Pure with Answers Pdf free download. MCQ Questions for Class 9 Science with Answers were prepared based on the latest exam pattern. We have Provided Is Matter Around Us Pure Class 9 Science MCQs Questions with Answers to help students understand the concept very well.

Objective Question | NCERT Science Class 9

NCERT Solutions Class 9 Science
Book: National Council of Educational Research and Training (NCERT)
Board: Central Board of Secondary Education (CBSE)
Class: 9th
Subject: Science
Chapter: 2 ( Part-4 )
Chapters Name: Is Matter Around Us Pure
Medium: English

Ncert Solutions for Class 9 Science | Objective Type Questions


You can refer to NCERT Solutions for Class 9 Science Chapter 2 Is Matter Around Us Pure to revise the concepts in the syllabus effectively and improve your chances of securing high marks in your board exams.
Is Matter Around Us Pure | Class 9 Science | NCERT Solutions
Q1. A chemical reaction involves in
A. Only breaking of bonds
B. Only formation of bonds
C. Both breaking and formation of bonds
D. None of these
Ans: Both breaking and formation of bonds
Q2. Which of the following colloid is a gel?
A. Fog
B. jellies
C. Milk
D. Smoke
Ans: jellies
Q3. What is the use of sedimentation tank in water purification system?
A. To separate out the insoluble substances from water.
B. To separate out very small suspended particles from water.
C. To kill the germs present in water.
D. All of the above.
Ans: To separate out the insoluble substances from water.
Q4. Solid particles are very small in solution which cannot separated by filtration that solution separated by ………………….
A.Dissolution
B.Collusion
C.Suspension
D.Centrifugation
Ans: Centrifugation
Q5. Centrifugation do not used in………..
A.Diagnostic laboratories
B.Separate butter and cream
C.To separate water and sugar
D.Used in washing machines
Ans: To separate water and sugar
Q6. Two immiscible layers can separate out in layer depending on their …………………
A.Volume
B.Surface tension
C.Density
D.Viscosity
Ans: Density
Q7. ……………………….solutions can separated depending upon their densities.
A.Miscible solution
B.Water
C.Immiscible
D.Colloidal
Ans: Immiscible
Q8. Separation of camphor and salt done by…………… method
A.Dissolution
B.Collusion
C.Sublimation
D.Suspension
Ans: Sublimation
Q9. Separation of dyes and black ink using ……………………. Method.
A.Dissolution
B.Chromatographic
C.Sublimation
D.Suspension
Ans: Chromatographic
Q10. ………………. Is a mixture of 2 or more colors.
A.Alloy
B.Dyes
C.Ink
D.Paints
Ans: Dyes
Q11. Kroma means?
A.Dyes
B.Colors
C.Paints
D.Natural colors
Ans: Colors
Q12. ……………………….. is method to separate two miscible liquids.
A.Collusion
B.Sublimation
C.Suspension
D.Distillation
Ans: Distillation
Q13. Chromatographic method used to separate
A.Colors in dye
B.Drug from blood
C.Tea powder from factory
D.Drugs from blood
Ans: Tea powder from factory
Q14. Which of the following statement is true for colloids?
A. Colloid is a homogeneous mixture.
B. Particles of a colloid can be seen by naked eye.
C. Particles of colloid scatter a beam of light passing through it.
D. All of these
Ans: Particles of colloid scatter a beam of light passing through it.
Q15. Which of the following is not a mixture? 
A. Soap solution
B. Blood
C. Carbon dioxide
D. Coal
Ans: Carbon dioxide
Q16. What type of mixture is obtained on continuous stirring when we add one spoon of sugar to water?
A. Homogeneous mixture
B. Colloid
C. Suspension
D. Heterogeneous mixture
Ans: Homogeneous mixture
Q17. Which of the following is a true solution? 
A. Milk 
B. Chalk powder in water 
C. Salt solution 
D. Blood
Ans: Salt solution 
Q18. Most paints are:
A. Gels
B. Suspensions
C. Emulsions
D. Sols
Ans: Sols
Q19. Which is the best technique to separate coffee grains from coffee solution?
A. Distillation
B. Evaporation
C. Filtration
D. Chromatography
Ans: Filtration
Q20. Two miscible liquids having boiling point less than 25K can separated by ……………..
A.Distillation
B.Sublimation
C.Suspension
D.Fractional distillation
Ans: Fractional distillation

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