Chemistry Commercial nitric acid is coloured because it contains dissolved : Nitrogen dioxide Oxygen Nitrous oxide Coloured impurities Nitrogen dioxide Oxygen Nitrous oxide Coloured impurities ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a man-made source of air pollution ? Forest fire Bacterial action in soil and swamp areas All of these Automobile exhaust Forest fire Bacterial action in soil and swamp areas All of these Automobile exhaust ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is a Bakelite ? Acid Solution Polymer Base Acid Solution Polymer Base ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following acids serves as an electrolyte in a lead storage battery? Lactic acid Hydrochloric acid Sulphuric acid Nitric acid Lactic acid Hydrochloric acid Sulphuric acid Nitric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry If the equilibrium constants for the systems H2 + I2 ? 2HI and 2HI ? H2 + I2 are K1 and K2 respectively, the relationship between K1 and K2 is : K1 = K2/2 K1 = 2K2 K 1 = 1 /K2 K1 = K2 K1 = K2/2 K1 = 2K2 K 1 = 1 /K2 K1 = K2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The depletion of ozone layer is due to Sulphur dioxide Carbon dioxide Chloro fluoro carbon Ethane Sulphur dioxide Carbon dioxide Chloro fluoro carbon Ethane ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS