Chemistry Which of the following gases is mixed with oxygen for breathing by divers in aqua lungs? Methane Nitrogen Helium Hydrogen Methane Nitrogen Helium Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Magnetite is FeCO3 Fe2O3 Fe3O4 2Fe2O3. 3H2O FeCO3 Fe2O3 Fe3O4 2Fe2O3. 3H2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the main nitrogenous waste in humans ? Ammonia Urea Uric Acid Ammonium Nitrate Ammonia Urea Uric Acid Ammonium Nitrate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The first organic compound synthesised in the laboratory was Glucose Uric acid Lactic acid Urea Glucose Uric acid Lactic acid Urea ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following stage is suitable indicator when solution of sodium carbonate is mixed with sulphuric acid ? Phenolphthaline Methylene blue Methyl orange Methyl red Phenolphthaline Methylene blue Methyl orange Methyl red ANSWER DOWNLOAD EXAMIANS APP
Chemistry Black lung disease occurs in people working in Organic solvents industry Paint manufacturing industry Electroplating industry Coal mines Organic solvents industry Paint manufacturing industry Electroplating industry Coal mines ANSWER DOWNLOAD EXAMIANS APP
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