Chemistry The most abundant rare gas in the atmosphere is Ar He Xe Ne Ar He Xe Ne ANSWER DOWNLOAD EXAMIANS APP
Chemistry One of the constituents of tear gas is Chloropicrin Ethanol Ethane Ether Chloropicrin Ethanol Ethane Ether ANSWER DOWNLOAD EXAMIANS APP
Chemistry The substance most commonly used as a food preservative is Sodium carbonate Sodium salt of benzoic acid Tartaric acid Acetic acid Sodium carbonate Sodium salt of benzoic acid Tartaric acid Acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ultraviolet radiation striking the earth is due to the depletion of Ozone Oxygen Carbon dioxide Carbon monoxide Ozone Oxygen Carbon dioxide Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry When Hydrogen starts burning in air, it produces ? Ammonia Carbonic Acid Methane Water Ammonia Carbonic Acid Methane Water ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant constituent of atmospheric air is : Hydrogen Carbon Oxygen Nitrogen Hydrogen Carbon Oxygen Nitrogen ANSWER DOWNLOAD EXAMIANS APP
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