Chemistry The gas that usually causes explosions in coal mines is Air Carbon monoxide Hydrogen Methane Air Carbon monoxide Hydrogen Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Alum is used as A fertilizer An analgesic A purifier for water A disinfectant A fertilizer An analgesic A purifier for water A disinfectant ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sour taste of ‘Coca Cola’ is due to the presence of Formic acid Acetic acid Phosphoric acid Hydrochloric acid Formic acid Acetic acid Phosphoric acid Hydrochloric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Total number of halogen elements found in the periodic table is 5 8 3 13 5 8 3 13 ANSWER DOWNLOAD EXAMIANS APP
Chemistry White phosphorus is generally kept under Kerosene oil Water Glycerine Alcohol Kerosene oil Water Glycerine Alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry The purest form of water in nature is Sea water Rain water Lake water River water Sea water Rain water Lake water River water ANSWER DOWNLOAD EXAMIANS APP