Chemistry A polymeric substance used to make parachute is Cotton Rayon Viscose Terylene Cotton Rayon Viscose Terylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Oxide of sulphur present in the atmosphere are washed down by rains to cause : Industrial smog formation Depletion of fossil fuel reserves Eutrophication in lakes Lowering of pH of soil Industrial smog formation Depletion of fossil fuel reserves Eutrophication in lakes Lowering of pH of soil ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following chemicals is used in photography ? Aluminium hydroxide Silver bromide Sodium chloride Potassium nitrate Aluminium hydroxide Silver bromide Sodium chloride Potassium nitrate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The green colour seen in firework displays is due to the chloride salt of : Barium Sodium Calcium Strontium Barium Sodium Calcium Strontium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The manufacturing of iron from iron ore involves the process of Electrolysis Oxidation Reduction Fractional distillation Electrolysis Oxidation Reduction Fractional distillation 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. ? Iron and cadmium Zinc and carbon Lead peroxide and lead Nickel and cadmium Iron and cadmium Zinc and carbon Lead peroxide and lead Nickel and cadmium ANSWER DOWNLOAD EXAMIANS APP