Chemistry The metal that is used as a catalyst in the hydrogenation of oils is Pb Pt Ni Cu Pb Pt Ni Cu ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sulphur dioxide bleaches colouring matter by : Reduction Decomposition Oxidation Dehydration Reduction Decomposition Oxidation Dehydration ANSWER DOWNLOAD EXAMIANS APP
Chemistry Activated Charcoal is used to remove colouring matter from pure substances by Adsorption Reduction Bleaching Oxidation Adsorption Reduction Bleaching Oxidation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Vinegar is ________ . Diluted formic acid Glacial formic acid Glacial acetic acid Diluted acetic acid Diluted formic acid Glacial formic acid Glacial acetic acid Diluted acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used for dating very old objects of archaeological importance? Phosphorus-31 Carbon-14 Tritium Radium Phosphorus-31 Carbon-14 Tritium Radium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sea weeds are important source of Bromine Chlorine Iron Iodine Bromine Chlorine Iron Iodine ANSWER DOWNLOAD EXAMIANS APP