Chemistry Which one of the following is a greenhouse gas ? Nitrogen Helium Sulphur dioxide Carbon dioxide Nitrogen Helium Sulphur dioxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Except mercury which is the other metal that is liquid at standard conditions for temperature and pressure Lead Barium Magnesium Bromine Lead Barium Magnesium Bromine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Oxygen has (+) oxidation number only in N2O C12O OF2 H2O (2) N2O C12O OF2 H2O (2) ANSWER DOWNLOAD EXAMIANS APP
Chemistry Activated Charcoal is used to remove colouring matter from pure substances by Oxidation Adsorption Reduction Bleaching Oxidation Adsorption Reduction Bleaching ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the most commonly used substance in fluorescent tubes? Mercury oxide and neon Sodium oxide and argon Mercury vapour and argon Sodium vapour and neon Mercury oxide and neon Sodium oxide and argon Mercury vapour and argon Sodium vapour and neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brass is a Homogeneous mixture Heterogeneous mixture Compound Element Homogeneous mixture Heterogeneous mixture Compound Element ANSWER DOWNLOAD EXAMIANS APP
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