Class 9 Science NCERT Solutions Chapter 2: is Matter Around Us Pure is developed and witten by our expert teachers. Students can study our solutions of Chapter 2: is Matter Around Us Pure class 9 Science, Question 1. Which separation techniques will you apply for the separation of the following? (a) Sodium chloride from its solution in water. (b) Ammonium chloride from a mixture containing sodium chloride and ammonium chloride. (c) Small pieces of metal in the engine oil of a car. (d) Different pigments from an extract of flower petals. (e) Butter from curd. (f) Oil from water. (g) Tea leaves from tea. (h) Iron , Question 2. Write the steps you would use for making tea. Use the words solution, solvent, solute, dissolve, soluble, insoluble, filtrate and residue. , Question 3. Pragya tested the solubility of three different substances at different temperatures and collected the data as given below (results are given in the following table, as grams of substance dissolved in 100 grams of water to form a saturated solution), Question 4. Explain the following giving examples. (a) saturated solution (b) pure substance (c) colloid (d) suspension , Question 5. Classify each of the following as a homogeneous or heterogeneous mixture. Question 6. How would you confirm that a colourless liquid given to you is pure water?, Question 7. Which of the following materials fall in the category of a “pure substance”?Question 8.
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Question 1. Which separation techniques will you apply for the separation of the following? 
