Is Matter Around Us Pure MCQ for Class 9 Science Chapter 2 with Answer

We have completed the NCERT/CBSE chapter-wise Multiple Choice Questions for Class 9 Science book Chapter 2 Is Matter Around Us Pure with Answers by expert subject teacher for latest syllabus and examination. You can Prepare effectively for the exam taking the help of the Class 9 Science Objective Questions PDF free of cost from here. Students can take a free test of the Multiple Choice Questions of Is Matter Around Us Pure. Each Questions has four options followed by the right answer. Download the Science Quiz Questions with Answers for Class 9 free Pdf and prepare to exam and help students understand the concept very well.

MCQ Questions for Class 9 Science with Answers: Chemistry

Q1. Who was the first scientist to use the term ‘element’ in 1661?

(i) Robert Boyle
(ii) Charles
(iii) Antonnie Lorent
(iv) None of them

(i) Robert Boyle

Q2. The components of a solution are:

(i) Dispersed particles and solvent
(ii) Solute and solvent
(iii) Dispersed phase and dispersion medium
(iv) Solute and dispersed medium

(ii) Solute and solvent

Q3. Air is regarded as a mixture because

(i) it pressure may vary
(ii) its temperature may change
(iii) its volume changes under different conditions
(iv) its composition may vary

(iv) its composition may vary

Q4. Rusting of an article made up of iron is called

(i) corrosion and it is a physical as well as chemical change
(ii) dissolution and it is a physical change
(iii) corrosion and it is a chemical change
(iv) dissolution and it is a chemical change

(iii) corrosion and it is a chemical change

Q5. What is the name of the metal which exists in liquid state at room temperature?

(i) Mercury
(ii) Bromine
(iii) Sodium
(iv) Potassium

(i) Mercury

Q6. Which of the following is not a mixture ?

(i) kerosene
(ii) air
(iii) alcohol
(iv) petrol

(iii) alcohol

Q7. The major component of a solution is called:

(i) solute
(ii) insoluble
(iii) solvent
(iv) solution

(iii) solvent

Q8. The smell of hydrogen sulphide (H2S) gas

(i) pleasant
(ii) of rotten egg
(iii) of burning sulphur
(iv) None of these

(ii) of rotten egg

Q9. Which of the following is an example of a mixture ?

(i) Sugar
(ii) Brass
(iii) CO₂
(iv) NO₃

(ii) Brass

Q10. Tincture of iodine has antiseptic properties. This solution is made by dissolving

(i) iodine in potassium iodide
(ii) iodine in vaseline
(iii) iodine in water
(iv) iodine in alcohol

(iv) iodine in alcohol

Q11. Which of the following elements is not a metalloid?

(i) Boron
(ii) Silicon
(iii) Germanium
(iv) Tungsten

(iv) Tungsten

Q12. The element which is not common between the compounds called baking soda and soda ash is

(i) sodium
(ii) hydrogen
(iii) oxygen
(iv) carbon

(ii) hydrogen

Q13. What is the boiling point of acetone?

(i) 196°C
(ii) 186°C
(iii) 78.3°C
(iv) 183°C

(iii) 78.3°C

Q14. What will you observe when a mixture of iodine and salt is heated in a china dish?

(i) No change in the china dish is observed.
(ii) Salt is left behind in the china dish.
(iii) Iodine is left behind in the china dish.
(iv) The mixture starts melting.

(ii) Salt is left behind in the china dish.

Q15. In a balanced chemical equation, the reactant side and the product side have the same number of

(i) atoms
(ii) molecules
(iii) ions
(iv) electrons

(i) atoms

Q16. Blood and sea water are

(i) both mixtures
(ii) both are compounds
(iii) blood is a mixture whereas sea water is a compound
(iv) blood is a compound and sea water is a mixture

(i) both mixtures

Q17. In tincture of iodine, find the solute and solvent?

(i) alcohol is the solute and iodine is the solvent
(ii) iodine is the solute and alcohol is the solvent
(iii) any component can be considered as solute or solvent
(iv) tincture of iodine is not a solution

(ii) iodine is the solute and alcohol is the solvent

Q18. Which one of the following is not a metalloid ?

(i) boron
(ii) silicon
(iii) gallium
(iv) germanium

(iii) gallium

Q19. Boron, silicon, germanium, etc., are:

(i) Metals
(ii) Non-metals
(iii) Metalloids
(iv) None of them

(iii) Metalloids

Q20. Which method is used to separate cream from milk?

(i) Centrifugation
(ii) Adsorption
(iii) Distillation
(iv) Crystallization

(i) Centrifugation

Q21. Which of the following statements about a balanced chemical equation is true ?

(i) mass is conserved
(ii) atoms are conserved
(iii) mass as well as atoms are conserved
(iv) molecules are conserved

(iii) mass as well as atoms are conserved

Q22. In a water-sugar solution

(i) water is solute and sugar is solvent
(ii) water is solvent and sugar is solute
(iii) water is solute and water is also solvent
(iv) none of these

(ii) water is solvent and sugar is solute

Q23. Which of the following colloid is a gel?

(i) Fog
(ii) jellies
(iii) Milk
(iv) Smoke

(ii) jellies

Q24. Which of the following non-metal is a good conductor of electricity?

(i) Aluminium
(ii) Silicon
(iii) Graphite
(iv) Gold

(iii) Graphite

Q25. A change of state from one form to another is a

(i) physical change
(ii) chemical change
(iii) biological change
(iv) state variation

(i) physical change

Q26. A body is thrown vertically upwards and rises to a height of 10m. The velocity with which the body was thrown upwards is (g = 9.8 m/s²)

(i) 14 m/s
(ii) 16 m/s
(iii) 15 m/s
(iv) 12 m/s

(i) 14 m/s

Q27. Cooking of food and digestion of food:

(i) are both physical processes
(ii) are both chemical processes
(iii) cooking is physical whereas digestion is chemical
(iv) cooking is chemical whereas digestion is physical

(ii) are both chemical processes

Q28. How one can separate ammonium chloride from a mixture containing ammonium chloride and sodium chloride?

(i) Precipitation
(ii) Sublimation
(iii) Chromatography
(iv) Cetrifugation

(ii) Sublimation

Q29. On the basis of composition of matter, milk is considered to be :

(i) a pure substance
(ii) an impure substance
(iii) an element
(iv) a compound

(ii) an impure substance

Q30. Which of the following parameters of a substance does not alter during a physical change?

(i) State
(ii) Mass
(iii) Volume
(iv) Size

(ii) Mass

Q31. Quantum number value for 2p sub shell are

(i) n = 2, L = 0
(ii) n = 2, L = 1
(iii) n = 1, L = 0
(iv) n = 1, L = 1

(ii) n = 2, L = 1

Q32. According to the definition of pure substance, which of the following is a pure substance?

(i) Ice
(ii) Mercury
(iii) Iron
(iv) All of these

(iv) All of these

Q33. Which of the following apparatus is not required in sublimation?

(i) Condenser
(ii) Funnel
(iii) China dish
(iv) Wire gauze

(i) Condenser

Q34. Experimentation with cathode ray led to the discovery of

(i) electron
(ii) proton
(iii) neutron
(iv) nucleus

(i) electron

Q35. During filtration, the solid that remains on the filter paper is called:

(i) Solute
(ii) Residue
(iii) Solvent
(iv) Filtrate

(ii) Residue

We Think the given NCERT MCQ Questions for class 9 Science book Chapter 2 Is Matter Around Us Pure with Answers Pdf free download will assist you. If you’ve got any queries regarding CBSE Class 9 Science of Is Matter Around Us Pure MCQs Multiple Choice Questions with Answers, drop a comment below and that we will come back to you soons.