Chemistry The main constituent of biogas is Oxygen Methane Methyl alcohol Acetic acid Oxygen Methane Methyl alcohol Acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas that usually causes explosions in coal mines is Hydrogen Carbon monoxide Air Methane Hydrogen Carbon monoxide Air Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brine refers to : Salt water Sweet water Pure water Starch water Salt water Sweet water Pure water Starch water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which type of fire extinguisher is used for petroleum fire ? Foam type Powder type None of these Soda acid type Foam type Powder type None of these Soda acid type ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not an addition polymer Polythene Nylon Polystyrene PVC Polythene Nylon Polystyrene PVC ANSWER DOWNLOAD EXAMIANS APP
Chemistry What are the components responsible for acid rain? Nitrogen monoxide (NO) and Carbon monoxide (CO) Carbon dioxide (CO2) and Carbon monoxide (CO) Oxides of carbon (COx) and Oxides of nitrogen (NOx) Sulphur dioxide (SO2) and Nitrogen oxides (NOx) Nitrogen monoxide (NO) and Carbon monoxide (CO) Carbon dioxide (CO2) and Carbon monoxide (CO) Oxides of carbon (COx) and Oxides of nitrogen (NOx) Sulphur dioxide (SO2) and Nitrogen oxides (NOx) ANSWER DOWNLOAD EXAMIANS APP