Chemistry It is dangerous to leave the car engine running in a closed garage, because it may cause serious pollution due to poisoning by emission of CO SO2 CO2 Unburnt petrol CO SO2 CO2 Unburnt petrol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the best fuel in terms of energy released per gram of fuel? Ethanol Hydrogen Methane Butane Ethanol Hydrogen Methane Butane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is commonly used for pulp bleaching in the paper industry? Iodine and water Glucose isomerase Mild sulphuric acid Hydrogen peroxide Iodine and water Glucose isomerase Mild sulphuric acid Hydrogen peroxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most suitable vessel for storing concentrated sulphuric acid is Copper vessel Earthen vessel Aluminium vessel Glass vessel Copper vessel Earthen vessel Aluminium vessel Glass vessel ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is used as a catalyst in the production of high octane fuels? HCl H2SO4 HNO3 HF HCl H2SO4 HNO3 HF ANSWER DOWNLOAD EXAMIANS APP
Chemistry A balloon filled with helium rises in air because Helium is less dense than air Air exerts an upward force on the balloon The balloon is weightless Helium pushes down on the air below the balloon Helium is less dense than air Air exerts an upward force on the balloon The balloon is weightless Helium pushes down on the air below the balloon ANSWER DOWNLOAD EXAMIANS APP