Chemistry Which one of the following acids is used in battery ? Sulphuric acid Hydrofluoric acid Hydrochloric acid Sulphurous acid Sulphuric acid Hydrofluoric acid Hydrochloric acid Sulphurous acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry A metal is exposed to the atmosphere for sometime. It becomes coated with green carbonate. The metal must be Zinc Copper Aluminium Silver Zinc Copper Aluminium Silver ANSWER DOWNLOAD EXAMIANS APP
Chemistry Among the following iron ores, the highest percentage of iron content is found in– Limnonite Magnetite Haemetite None of these Limnonite Magnetite Haemetite None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry An inert gas mixed with oxygen given to patients suffering from restricted breathing is Argon Helium Radon Krypton Argon Helium Radon Krypton ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas which emits from rice field is Methane All of these Nitrogen Ethane Methane All of these Nitrogen Ethane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of g-molecule of oxygen in 6.02 x 1024CO molecules is 0.5 gram of molecule 5 gram of molecule 1 gram of molecule 10 gram of molecule 0.5 gram of molecule 5 gram of molecule 1 gram of molecule 10 gram of molecule ANSWER DOWNLOAD EXAMIANS APP
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