Read and download NCERT Class 9 Science Is Matter Around Us Pure Questions in NCERT book for Class 9 Science. You can download latest NCERT eBooks chapter wise in PDF format free from Studiestoday.com. This Science textbook for Class 9 is designed by NCERT and is very useful for students. Please also refer to the NCERT solutions for Class 9 Science to understand the answers of the exercise questions given at the end of this chapter
NCERT Book for Class 9 Science Chapter 2 Is Matter Around Us Pure?
Class 9 Science students should refer to the following NCERT Book Chapter 2 Is Matter Around Us Pure? in Class 9. This NCERT Book for Class 9 Science will be very useful for exams and help you to score good marks
Chapter 2 Is Matter Around Us Pure? NCERT Book Class 9
IS MATTER AROUND US PURE
1. Which of the following statements are true for pure substances?
(i) Pure substances contain only one kind of particles
(ii) Pure substances may be compounds or mixtures
(iii) Pure substances have the same composition throughout
(iv) Pure substances can be exemplified by all elements other than nickel
(a) (i) and (ii)
(b) (i) and (iii)
(c) (iii) and (iv)
(d) (ii) and (iii)
2. Rusting of an article made up of iron is called
(a) corrosion and it is a physical as well as 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
3. 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
4. Tincture of iodine has antiseptic properties. This solution is made by dissolving
(a) iodine in potassium iodide
(b) iodine in vaseline
(c) iodine in water
(d) iodine in alcohol
5. Which of the following are homogeneous in nature?
(i) ice (ii) wood (iii) soil (iv) air
(a) (i) and (iii)
(b) (ii) and (iv)
(c) (i) and (iv)
(d) (iii) and (iv
6. Salt can be recovered from its solution by evaporation. Suggest some other technique for the same?
7. The ‘sea-water’ can be classified as a homogeneous as well as heterogeneous mixture. Comment.
8. While diluting a solution of salt in water, a student by mistake added acetone (boiling point 56°C). What technique can be employed to get back the acetone? Justify your choice.
9. What would you observe when
(a) a saturated solution of potassium chloride prepared at 60°C is allowed to cool to room temperature.
(b) an aqueous sugar solution is heated to dryness.
(c) a mixture of iron filings and sulphur powder is heated strongly.
10. Explain why particles of a colloidal solution do not settle down when left undisturbed, while in the case of a suspension they do.
11. Smoke and fog both are aerosols. In what way are they different?
12. Classify the following as physical or chemical properties
(a) The composition of a sample of steel is: 98% iron, 1.5% carbon and 0.5% other elements.
(b) Zinc dissolves in hydrochloric acid with the evolution of hydrogen gas.
(c) Metallic sodium is soft enough to be cut with a knife.
(d) Most metal oxides form alkalis on interacting with water.
Please refer to attached file for NCERT Class 9 Science Is Matter Around Us Pure Questions
| NCERT Class 9 Science Matter In Our Surroundings |
| NCERT Class 9 Science Matter In Our Surroundings Questions |
| NCERT Class 9 Science Is Matter Around Us Pure |
| NCERT Class 9 Science Is Matter Around Us Pure Questions |
| NCERT Class 9 Science Atoms And Molecules |
| NCERT Class 9 Science Atoms And Molecules Questions |
| NCERT Class 9 Science Structure Of The Atom |
| NCERT Class 9 Science Structure Of The Atom Questions |
| NCERT Class 9 Science The Fundamental Unit Of Life |
| NCERT Class 9 Science The Fundamental Unit Of Life Questions |
| NCERT Class 9 Science Tissues |
| NCERT Class 9 Science Tissues Questions |
| NCERT Class 9 Science Diversity In Living Organisms |
| NCERT Class 9 Science Diversity In Living Organisms Questions |
| NCERT Class 9 Science Motion |
| NCERT Class 9 Science Motion Questions |
| NCERT Class 9 Science Force And Laws Of Motion |
| NCERT Class 9 Science Force And Laws Of Motion Questions |
| NCERT Class 9 Science Gravitation |
| NCERT Class 9 Science Gravitation Questions |
| NCERT Class 9 Science Work And Energy |
| NCERT Class 9 Science Work And Energy Questions |
| NCERT Class 9 Science Sound |
| NCERT Class 9 Science Sound Questions |
| NCERT Class 9 Science Why Do We Fall Ill |
| NCERT Class 9 Science Why Do We Fall Ill Questions |
| NCERT Class 9 Science Natural Resources |
| NCERT Class 9 Science Natural Resources Questions |
| NCERT Class 9 Science Improvement In Food Resources |
| NCERT Class 9 Science Improvement In Food Resources Questions |
| NCERT Class 9 Science Solutions and Answers |
Science NCERT Book Class 9 Chapter 2 Is Matter Around Us Pure?
The above NCERT Books for Class 9 Science Chapter 2 Is Matter Around Us Pure? have been published by NCERT for latest academic session. The textbook by NCERT for Chapter 2 Is Matter Around Us Pure? Science Class 9 is being used by various schools and almost all education boards in India. Teachers have always recommended students to refer to Chapter 2 Is Matter Around Us Pure? NCERT etextbooks as the exams for Class 9 Science are always asked as per the syllabus defined in these ebooks. These Class 9 Chapter 2 Is Matter Around Us Pure? book for Science also includes collection of question. We have also provided NCERT solutions for Class 9 Science which have been developed by teachers of StudiesToday.com after thorough review of the latest book and based on pattern of questions in upcoming exams for Class 9 students.
NCERT Book Class 9 Science Chapter 2 Is Matter Around Us Pure?
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Chapter 2 Is Matter Around Us Pure? NCERT Book Class 9 Science
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Class 9 Chapter 2 Is Matter Around Us Pure? NCERT Book Science
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