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🧾 CBSE · Class 9

Class 9 Science: Is Matter Around Us Pure Worksheet (with Answers)

A free, print-ready worksheet on Is Matter Around Us Pure for CBSE Class 9 Science, with a matching answer key. Use the sample below, or build your own with the exact mix of questions you need — no login, no ads.

Sample worksheet

7 of 19 questions from this chapter. Generate your own for the full set, more variations, and a clean print layout.

  1. 1. A substance made of only one type of atom is a/an:
    • (a) element
    • (b) solution
    • (c) mixture
    • (d) compound
  2. 2. Water (H₂O) is an example of a:
    • (a) mixture
    • (b) compound
    • (c) element
    • (d) colloid
  3. 3. A mixture with a uniform composition is:
    • (a) a suspension
    • (b) a compound
    • (c) heterogeneous
    • (d) homogeneous
  4. 4. Which scatters a beam of light (Tyndall effect)?
    • (a) salt solution
    • (b) colloid
    • (c) pure water
    • (d) true solution
  5. 5. Give one example each of an element and a compound.
  6. 6. What is the Tyndall effect?
  7. 7. Compare the properties of solutions, suspensions and colloids.
View answers
  1. 1. (a) elementAn element has only one kind of atom.
  2. 2. (b) compoundWater is a compound of hydrogen and oxygen.
  3. 3. (d) homogeneousUniform composition means homogeneous.
  4. 4. (b) colloidColloids scatter light, showing the Tyndall effect.
  5. 5. Element: oxygen; Compound: water (H₂O).
  6. 6. The scattering of a beam of light by the particles of a colloid, making its path visible.
  7. 7. Solutions are homogeneous with very small particles that do not settle, pass through filter paper, and do not scatter light. Suspensions are heterogeneous with large particles that settle, can be filtered, and are visible. Colloids are heterogeneous-looking but stable, with medium particles that do not settle, pass through filter paper, and scatter light (Tyndall effect).

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FAQ

Is this Class 9 Science worksheet on Is Matter Around Us Pure free?
Yes — it is completely free, with no login and no ads. You can print it or save it as a PDF, and generate unlimited variations.
Does the Is Matter Around Us Pure worksheet come with answers?
Yes. Every worksheet has a separate answer key with the correct answers, short explanations and marks, so it is ready for marking.
Can I choose how many questions and which types?
Yes. Open the generator for this chapter and set how many MCQs, short, long and HOTS questions you want; totals and marks update live, and you can swap any single question.
Which board and class is this for?
This worksheet is aligned to CBSE Class 9 Science, chapter “Is Matter Around Us Pure”.