question_answer

    (a) Dry ammonia has no action on litmus paper but a solution of ammonia in water turns red litmus paper blue. Why is it so? (b) What is the colour of methyl orange in baking soda?

Answer:

                  (a) Two non-hydrated crystalline salts are? sodium chloride (NaCi) and potassium nitrate . (b) Two neutral salts are- sodium chloride (NaCl) and sodium sulphate . (c) Two basic salts are-basic copper carbonate and basic lead carbonate (d) Two acid salts are-Ammonium chloride and sodium phosphate (3)