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Acids, Bases and Salts textual questions Chapter:- 2. Acids, Bases and Salts textual questions 1.Five solutions A, B, C, D and E when tested with universal indicator showed p H as 4, 1, 11, 7, and 9, respectively, which solution is (AS 1 ) (a) neutral (b) strongly alkaline (c) strongly acidic (d) weakly acidic (e) weakly alkaline Arrange the p H in increasing order of hydrogen ion concentration. Ans:- p H VALUE NATURE OF THE SUBSTANCE p H < 7 ACID p H < 7 and is closer to 0 STRONG ACID p H < 7 and is closer to 7 WEAK ACID p H > 7 BASE p H > 7 and is closer to 14 ...

Is matter pure Is matter pure? chapter-3 Textual Questions and Answers (click on questions to get the answers) 1. Which separation techniques will you apply for the separation of the following? (AS 1 ) 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 pins from sand. i) Wheat grains from husk. j) Fine mud particles suspended in water. Ans:- Mixture Separation techniques a) Sodium chloride from its solution in water. Evaporation b) Ammonium chloride from a mixture containing so...