Chemistry The metals commonly used for electroplating are Nickel, Lead and Chromium 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 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The hardest form of carbon is coke diamond charcoal graphite coke diamond charcoal graphite ANSWER DOWNLOAD EXAMIANS APP
Chemistry A substance which readily forms colloidal solution in contact with water is called Hydrophobic colloid Hydrophilic colloid Associated colloid Extrinsic colloid Hydrophobic colloid Hydrophilic colloid Associated colloid Extrinsic colloid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following fuels causes minimum environmental pollution? Diesel Hydrogen Kerosene Coal Diesel Hydrogen Kerosene Coal ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is not a characteristic feature of alloys? They are Solutions Compounds Homogeneous systems Mixtures Solutions Compounds Homogeneous systems Mixtures ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following chemical materials is responsible for the depletion of ozone layer in the atmosphere ? Carbon dioxide Nitrous oxide Sulphur dioxide Chlorofluorocarbon Carbon dioxide Nitrous oxide Sulphur dioxide Chlorofluorocarbon ANSWER DOWNLOAD EXAMIANS APP