Chemistry The gas that usually causes explosions in coal mines is Air Hydrogen Methane Carbon monoxide Air Hydrogen Methane Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Milk tastes sour when it is left in open for some time. This happens due to the formation of Citric acid Acetic acid Carbonic acid Lactic acid Citric acid Acetic acid Carbonic acid Lactic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following elements is non-radioactive ? Plutonium Zirconium Thorium Uranium Plutonium Zirconium Thorium Uranium ANSWER DOWNLOAD EXAMIANS APP
Chemistry In which of the following substances all carbon atoms are quaternary in nature ? Graphite Napthalene Teflon Diamond Graphite Napthalene Teflon Diamond ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brass is a solution of molten copper in Solid zinc Gaseous zinc Molten zinc Molten tin Solid zinc Gaseous zinc Molten zinc Molten tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following chemicals is responsible for depletion of ozone layer in the atmosphere? Carbon dioxide Chlorofluorocarbons Sulphur dioxide Nitrous oxide Carbon dioxide Chlorofluorocarbons Sulphur dioxide Nitrous oxide ANSWER DOWNLOAD EXAMIANS APP
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