Chemistry Silicon is a Semiconductor Insulator Nonconductor Conductor Semiconductor Insulator Nonconductor Conductor ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical name of common salt is Sodium Oxide Sodium Sodium Chloride Sodium Bicarbonate Sodium Oxide Sodium Sodium Chloride Sodium Bicarbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main active constituent of tea and coffee is caffeine chlorophyll aspirin nicotine caffeine chlorophyll aspirin nicotine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Oxygen which is vital for life is a product of photosynthesis and comes from Oxides of mineral elements Carbonates from soil Water Carbon dioxide Oxides of mineral elements Carbonates from soil Water Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The lightest gas which is non-inflammable is Hydrogen Helium Nitrogen Oxygen Hydrogen Helium Nitrogen Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ultraviolet radiation striking the earth is due to the depletion of Carbon monoxide Ozone Oxygen Carbon dioxide Carbon monoxide Ozone Oxygen Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
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