Chemistry Chemical properties of isotopes Must be same Must be different Need not be same Need not be different Must be same Must be different Need not be same Need not be different ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main constituent of biogas is Oxygen Methane Acetic acid Methyl alcohol Oxygen Methane Acetic acid Methyl alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ionisation energy of nitrogen is greater than that of oxygen because nitrogen has 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 High bond dissociation energy Smaller atomic radius ANSWER DOWNLOAD EXAMIANS APP
Chemistry If water smells bad, then that odour can be removed by adding Activated carbon Deactivated nitrogen Bleach Alum Activated carbon Deactivated nitrogen Bleach Alum ANSWER DOWNLOAD EXAMIANS APP
Chemistry Activated Charcoal is used to remove colouring matter from pure substances by Reduction Bleaching Adsorption Oxidation Reduction Bleaching Adsorption Oxidation ANSWER DOWNLOAD EXAMIANS APP
Chemistry If the equilibrium constants for the systems H2 + I2 ? 2HI and 2HI ? H2 + I2 are K1 and K2 respectively, the relationship between K1 and K2 is : K1 = K2/2 K1 = K2 K 1 = 1 /K2 K1 = 2K2 K1 = K2/2 K1 = K2 K 1 = 1 /K2 K1 = 2K2 ANSWER DOWNLOAD EXAMIANS APP
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