Class 10 Science NCERT Solutions Chapter 1: Chemical Reactions and Equations is developed and witten by our expert teachers. Students can study our solutions of Chapter 1: Chemical Reactions and Equations class 10 Science, In text questions page number 6 ................................. 1. Why should a magnesium ribbon be cleaned before burning in air?, 2. Write the balanced equation for the following chemical reactions. (i) Hydrogen + Chlorine Hydrogen chloride (ii) Barium chloride + Aluminium sulphate Barium sulphate + Aluminium chloride (iii) Sodium + Water Sodium hydroxide + Hydrogen , 3. Write a balanced chemical equation with state symbols for the following reactions. (i) Solutions of barium chloride and sodium sulphate in water react to give insoluble barium sulphate and the solution of sodium chloride. (ii) Sodium hydroxide solution (in water) reacts with hydrochloric acid solution (in water) to produce sodium chloride solution and water., In text questions page number 10 ................................. 1. A solution of a substance ‘X’ is used for white washing. (i) Name the substance ‘X’ and write its formula. (ii) Write the reaction of the substance ‘X’ named in (i) above with water., 2. Why is the amount of gas collected in one of the test tubes in Activity 1.7 double of the amount collected in the other? Name this gas., In text questions page number 13.................................1. Why does the colour of copper sulphate solution change
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In text questions page number 6 ................................. 
