8. CHEMISTRY (Code No. 043) Rationale
Crystallization of impure sample of any one of the following: Alum, Copper Sulphate, Benzoic Acid. C. Experiments based on pH a) Any one of the following experiments: Determination of pH of some solutions obtained from fruit juices, solution of known and varied concentrations of acids, bases and salts using pH paper or universal indicator.
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