Chemistry The chief source of naphthalene is Charcoal Coal-tar Camphor Diesel Charcoal Coal-tar Camphor Diesel ANSWER DOWNLOAD EXAMIANS APP
Chemistry Combustion of a candle is a/an Endothermic reaction Exothermic reaction Physical change Photochemical reaction Endothermic reaction Exothermic reaction Physical change Photochemical reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following mineral does not contain oxygen ? Bauxite Calcite Haematite Cryolite Bauxite Calcite Haematite Cryolite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is biodegradable ? Paper D.T. Plastic Aluminium Paper D.T. Plastic Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Detergents are Sodium salt of benzoic acid None of these Sodium salts of fatty acids Sodium salts of sulphonic acids Sodium salt of benzoic acid None of these Sodium salts of fatty acids Sodium salts of sulphonic acids ANSWER DOWNLOAD EXAMIANS APP
Chemistry When a lead storage battery is discharged, Lead sulphate is consumed SO2 is evolved Sulphuric acid is consumed Lead is formed Lead sulphate is consumed SO2 is evolved Sulphuric acid is consumed Lead is formed ANSWER DOWNLOAD EXAMIANS APP
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