Chemistry Which of the following is not a method of preparing oxygen? Electrolysis of water Fractional distillation of liquid air Decomposition of manganese dioxide Decomposition of potassium permanganate Electrolysis of water Fractional distillation of liquid air Decomposition of manganese dioxide Decomposition of potassium permanganate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following contains high content of lead? High octane fuel Cooking gas Low octane fuel Coal High octane fuel Cooking gas Low octane fuel Coal ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is also known as solution ? A compound A suspension A homogeneous mixture A heterogeneous mixture A compound A suspension A homogeneous mixture A heterogeneous mixture ANSWER DOWNLOAD EXAMIANS APP
Chemistry The items amenable to detection by soft x-rays are narcotics genuine coins from counterfeit coins contrabands lead in bullets narcotics genuine coins from counterfeit coins contrabands lead in bullets ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used for artificial fruit ripening of green fruit is Ethylene Acetylene Ethane Methane Ethylene Acetylene Ethane Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is colourless ? Phosphorus Sulphur Oxygen Chlorine Phosphorus Sulphur Oxygen Chlorine ANSWER DOWNLOAD EXAMIANS APP