CHAPTER ACIDS AND BASES--PREPARATION AND PROPERTIES AND USES OF DIFFERENT TYPE OF SALTS :WASHING SODA,BAKING SODA,BLEACHING POWDER,PLASTER OF PARIS AND COMMON SALT
WATER OF CRYSTLLIZATION: EXAMPLES OF BLUE VITREOL,GREEN VITREOL AND EFFECT OF HEAT ON HYDRATED SALTS
HOME WORK:DO THE NCERT QUESTIONS DISCUSSED IN THE CLASS