Chemistry The laws of electrolysis are given by Ostwald Faraday Arrhenius Lewis Ostwald Faraday Arrhenius Lewis ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas present in the stratosphere which filters out some of the sun's ultraviolet light and provides an effective shield against radiation damage to living things is helium oxygen methane ozone helium oxygen methane ozone ANSWER DOWNLOAD EXAMIANS APP
Chemistry White phosphorus is generally kept under Water Glycerine Kerosene oil Alcohol Water Glycerine Kerosene oil Alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry ________ gives hardness to stainless steel. Carbon Lead Tin Zinc Carbon Lead Tin Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry The lustre of the metals is because of High density, due to closed packing of atoms High polish Reflection of light due to the presence of free electrons Absorption of light due to the presence of cavities High density, due to closed packing of atoms High polish Reflection of light due to the presence of free electrons Absorption of light due to the presence of cavities 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. ? Zinc and carbon Iron and cadmium Lead peroxide and lead Nickel and cadmium Zinc and carbon Iron and cadmium Lead peroxide and lead Nickel and cadmium ANSWER DOWNLOAD EXAMIANS APP