Chemistry The working of a dry cell is based on Decomposition reaction Combination reaction Electrolysis Spontaneous oxidation-reduction reaction Decomposition reaction Combination reaction Electrolysis Spontaneous oxidation-reduction reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which variety of coal contains recognisable traces of the original plant material ? Peat Lignite Bitumen Anthracite Peat Lignite Bitumen Anthracite ANSWER DOWNLOAD EXAMIANS APP
Chemistry When water itself combines chemically with some element or mineral it is called Oxidation Desilication Carbonation Hydration Oxidation Desilication Carbonation Hydration ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal ion present in Vitamin B12 is Cobalt Nickel Zinc Iron Cobalt Nickel Zinc Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry The polymerisation of which often following is used in manufacturing of polythene in industry ? Methane Ethylene Styrene Acetylene Methane Ethylene Styrene Acetylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following organic compound is used to remove stains of iron compounds? Cinnamic acid Oxalic acid Benzoic acid Phthalic acid Cinnamic acid Oxalic acid Benzoic acid Phthalic acid ANSWER DOWNLOAD EXAMIANS APP