CBSE Class 12 Chemistry Lab Manual October 11, 2018 by Bhagya CBSE CBSE Class 12 Chemistry Lab Manual Viva Questions with Answers. Surface Chemistry Exp-2.3 : To prepare colloidal solution (or sol) of egg albumin. Surface Chemistry Viva Questions with Answers. Chemical Kinetics Viva Questions with Answers. Thermochemistry Viva Questions with Answers. Electrochemistry Viva Questions with Answers. Chromatography Viva Questions with Answers. Preparation of Inorganic Compounds Viva Questions with Answers. Preparation of Organic Compounds Exp-8.4 : To prepare 2-naphthol aniline or phenyl-azo-β-naphtholdye . Tests for the Functional Groups Present in Organic Compounds Viva Questions with Answers. Exp-10.3 : To study some simple tests of proteins . Tests of Carbohydrates, Fats and Proteins in Pure Samples and Detection of Their Presence in Given Food Stuffs Viva Questions with Answers. .