Chemistry The element used in the manufacture of safety matches is Phosphorous Sulphur Magnesium Silicon Phosphorous Sulphur Magnesium Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Maximum permissible concentration of total hardness in drinking water is 500 200 100 50 500 200 100 50 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Detergents clean surfaces on the principle of Viscosity Surface tension Floatation Elasticity Viscosity Surface tension Floatation Elasticity ANSWER DOWNLOAD EXAMIANS APP
Chemistry Black lung disease occurs in people working in Electroplating industry Organic solvents industry Paint manufacturing industry Coal mines Electroplating industry Organic solvents industry Paint manufacturing industry Coal mines ANSWER DOWNLOAD EXAMIANS APP
Chemistry The alkaloid naturally found in coffee, cocoa and cola nut is Caffeine Morphine Cocaine Tannin Caffeine Morphine Cocaine Tannin ANSWER DOWNLOAD EXAMIANS APP
Chemistry What material is used to make electric heater coil ? Iron Copper Nichrome Silver Iron Copper Nichrome Silver ANSWER DOWNLOAD EXAMIANS APP