Chemistry When water itself combines chemically with some element or mineral it is called Hydration Oxidation Desilication Carbonation Hydration Oxidation Desilication Carbonation ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas dissolved in water that makes it basic is : Hydrogen Sulphur dioxide Carbon dioxide Ammonia Hydrogen Sulphur dioxide Carbon dioxide Ammonia ANSWER DOWNLOAD EXAMIANS APP
Chemistry What are the number of moles of CO2 which contains 16 g of oxygen? 0.5 mole 0.4 mole 0.2 mole 0.25 mole 0.5 mole 0.4 mole 0.2 mole 0.25 mole ANSWER DOWNLOAD EXAMIANS APP
Chemistry What particles move around the nucleus of an atom and are negatively charged? Positrons Electrons Protons Neutrons Positrons Electrons Protons Neutrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following statements are correct about chloroform? a. Liquid fuel b. Anaesthetic in nature c. Produces phosgene d. Fire extinguisher A, b D, a A, c B, c A, b D, a A, c B, c ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following caused radioactive pollution along the coast of Kerala ? Radium Zinc Plutonium Thorium Radium Zinc Plutonium Thorium ANSWER DOWNLOAD EXAMIANS APP
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