Chemistry The lustre of the metals is because of High density, due to closed packing of atoms High polish Absorption of light due to the presence of cavities Reflection of light due to the presence of free electrons High density, due to closed packing of atoms High polish Absorption of light due to the presence of cavities Reflection of light due to the presence of free electrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Candle is a mixture of Higher fatty acids and stearic acid Bees wax and stearic acid Bees wax and paraffin wax Paraffin was and stearic acid Higher fatty acids and stearic acid Bees wax and stearic acid Bees wax and paraffin wax Paraffin was and stearic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The depletion in Ozone layer is caused by ________ . Nitrous oxide Chlorofluorocarbons Methane Carbon dioxide Nitrous oxide Chlorofluorocarbons Methane Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The BOD values of water indicate the Amount of organic debris Amount of oxygen used for biochemical oxidation Amount of ozone used for biochemical oxidation Amount of oxygen used for biochemical reduction Amount of organic debris Amount of oxygen used for biochemical oxidation Amount of ozone used for biochemical oxidation Amount of oxygen used for biochemical reduction ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ionisation energy of nitrogen is greater than that of oxygen because nitrogen has High bond dissociation energy Smaller atomic radius Stable half filled 2p sub level High nuclear charge High bond dissociation energy Smaller atomic radius Stable half filled 2p sub level High nuclear charge ANSWER DOWNLOAD EXAMIANS APP
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