Chemistry Which one of the following elements is used in the manufacture of safety matches? Sodium Silicon Phosphorus Graphite Sodium Silicon Phosphorus Graphite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used as non-stick coating for cooking utensils? Styrofoam Perspex Teflon Polystyrene Styrofoam Perspex Teflon Polystyrene ANSWER DOWNLOAD EXAMIANS APP
Chemistry If all bullets could not be removed from gun shot injury of a man, it may cause poisoning by Iron Arsenic Lead Mercury Iron Arsenic Lead Mercury ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is ozone depleting pesticide ? Methyl bromide D.T. Benzene Ethylene ozonide Methyl bromide D.T. Benzene Ethylene ozonide 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. ? Lead peroxide and lead Zinc and carbon Nickel and cadmium Iron and cadmium Lead peroxide and lead Zinc and carbon Nickel and cadmium Iron and cadmium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Oxygen which is vital for life is a product of photosynthesis and comes from Carbon dioxide Water Oxides of mineral elements Carbonates from soil Carbon dioxide Water Oxides of mineral elements Carbonates from soil ANSWER DOWNLOAD EXAMIANS APP