Chemistry The lowest layer of earth's atmosphere is Mesosphere Troposphere Ionosphere Stratosphere Mesosphere Troposphere Ionosphere Stratosphere ANSWER DOWNLOAD EXAMIANS APP
Chemistry The name of unreactive gas is Hydrogen Carbon dioxide Nitrogen Oxygen Hydrogen Carbon dioxide Nitrogen Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry In an oxygen molecule, two atoms are united by Three bonds Two bonds One bond Four bonds Three bonds Two bonds One bond Four bonds ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following metals pollutes the air of a city having large number of automobiles? Chromium Copper Cadmium Lead Chromium Copper Cadmium Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry An example of heterocyclic compound is Benzene Anthracene Naphthalene Furan Benzene Anthracene Naphthalene Furan ANSWER DOWNLOAD EXAMIANS APP
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