Chemistry The metals commonly used for electroplating are Gold, Sodium and Chromium Chromium, Copper and Nickel Gold, Sodium and Potassium Nickel, Lead and Chromium Gold, Sodium and Chromium Chromium, Copper and Nickel Gold, Sodium and Potassium Nickel, Lead and Chromium ANSWER DOWNLOAD EXAMIANS APP
Chemistry 'Plaster of Paris' is made by partial dehydration of Epsom salt Green vitriol Blue vitriol Gypsum salt Epsom salt Green vitriol Blue vitriol Gypsum salt ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main component of liquid bleach is: Sodium hypochlorate Hydrochloric acid Sodium chloride Sodium hypochlorite Sodium hypochlorate Hydrochloric acid Sodium chloride Sodium hypochlorite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Black lung disease occurs in people working in Coal mines Organic solvents industry Electroplating industry Paint manufacturing industry Coal mines Organic solvents industry Electroplating industry Paint manufacturing industry ANSWER DOWNLOAD EXAMIANS APP
Chemistry Detergents clean surfaces on the principle of Surface tension Elasticity Floatation Viscosity Surface tension Elasticity Floatation Viscosity 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 Lead peroxide and lead Iron and cadmium Zinc and carbon Nickel and cadmium Lead peroxide and lead Iron and cadmium Zinc and carbon ANSWER DOWNLOAD EXAMIANS APP