Chemistry The main active constituent of tea and coffee is aspirin caffeine chlorophyll nicotine aspirin caffeine chlorophyll nicotine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following pairs of materials serves as electrodes in chargeable batteries commonly used in devices such as torch lights, electric shavers, etc. ? Nickel and cadmium Zinc and carbon Iron and cadmium Lead peroxide and lead Nickel and cadmium Zinc and carbon Iron and cadmium Lead peroxide and lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry The least preferred technique in the disposal of Municipal Solid Waste is Composting Incineration Land filling Bricketting Composting Incineration Land filling Bricketting ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal that is used as a catalyst in the hydrogenation of oils is Ni Pb Cu Pt Ni Pb Cu Pt ANSWER DOWNLOAD EXAMIANS APP
Chemistry The electronic configuration of an atom having atomic number ‘20’ is 2, 10, 8 2, 8, 8, 2 2, 8, 10 2, 6, 8, 4 2, 10, 8 2, 8, 8, 2 2, 8, 10 2, 6, 8, 4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Air shows the property of None of these N2 O2 Both A and B None of these N2 O2 Both A and B ANSWER DOWNLOAD EXAMIANS APP