Chemistry The gas which turns into liquid at the lowest temperature among the following is Oxygen Hydrogen Nitrogen Helium Oxygen Hydrogen Nitrogen Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Magnetite is FeCO3 Fe3O4 Fe2O3 2Fe2O3. 3H2O FeCO3 Fe3O4 Fe2O3 2Fe2O3. 3H2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry Formation of ozone hole is maximum over India Antarctica Europe Africa India Antarctica Europe Africa ANSWER DOWNLOAD EXAMIANS APP
Chemistry Diamond is harder than graphite because of : Tetrahedral structure of diamond Difference in layers of atoms Difference of crystalline structures None of these Tetrahedral structure of diamond Difference in layers of atoms Difference of crystalline structures None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry The maximum number of isomers for an alkene with molecular formula C4H8 is 3 2 5 4 3 2 5 4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The fiber least prone to catch fire is Polyester Terylene Cotton Nylon Polyester Terylene Cotton Nylon ANSWER DOWNLOAD EXAMIANS APP
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