Chemistry The main active constituent of tea and coffee is caffeine aspirin chlorophyll nicotine caffeine aspirin chlorophyll nicotine ANSWER DOWNLOAD EXAMIANS APP
Chemistry The working of a dry cell is based on Electrolysis Combination reaction Decomposition reaction Spontaneous oxidation-reduction reaction Electrolysis Combination reaction Decomposition reaction Spontaneous oxidation-reduction reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemically ‘Quick Silver is known as Aluminium Silver Mercury Copper Aluminium Silver Mercury Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry The monomers of dacron are Ethylene glygol and phthalic acid Ethylene glycol and terephthalic acid Decanone and decanol Decane and decanol Ethylene glygol and phthalic acid Ethylene glycol and terephthalic acid Decanone and decanol Decane and decanol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nylon is made up of : Polyamide Polyester Polyethylene Polypropylene Polyamide Polyester Polyethylene Polypropylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to remove rust stains on cloth? Oxalic acid solution Petrol Kerosene Lime Oxalic acid solution Petrol Kerosene Lime ANSWER DOWNLOAD EXAMIANS APP