State the terms defined by the following sentences :
(a) A soluble base.
(b) The insoluble solid formed when two solutions are mixed together.
(c) An acidic solution in which there is only partial ionization of the solute molecules.
Question 19
Fill the blanks in the following sentences (a) Lemon juice and vinegar taste ___ because they contain ___ (b) Turmeric and litmus are ___acid-base indicators. (c) Phenolphthalein gives___colour with lime water (d) When an acidic solution is mixed with a basic solution, they___ each other forming a and water.
Ammonia forms the complex ion [Cu(NH3)4]+2 with copper ions in alkaline solutions but not in acidic solutions. What is the reason for it?
__ is the process of formation of an insoluble solid when solutions are mixed.