Chemistry Which of the following pollutants is main product of automobile exhaust ? CO CO2 NO Hydrocarbons CO CO2 NO Hydrocarbons ANSWER DOWNLOAD EXAMIANS APP
Chemistry A balloon filled with helium rises in air because Air exerts an upward force on the balloon Helium is less dense than air The balloon is weightless Helium pushes down on the air below the balloon Air exerts an upward force on the balloon Helium is less dense than air The balloon is weightless Helium pushes down on the air below the balloon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Identify the metal which is non toxic in nature. Gold Cobalt Cadmium Chromium Gold Cobalt Cadmium Chromium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a renewable source of energy ? Coal Uranium Natural gas Geothermal powder Coal Uranium Natural gas Geothermal powder ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following produces highest amount of energy upon oxidation? An alkane Glucose Fat Protein An alkane Glucose Fat Protein ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used as a preservative to protect processed food? Saccharin Sodium sulphate Sodium metabisulphite BHT Saccharin Sodium sulphate Sodium metabisulphite BHT ANSWER DOWNLOAD EXAMIANS APP