Chemistry Which of the following metals occurs in free state ? Lead Iron Zinc Copper Lead Iron Zinc Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silver nitrate solution is kept in brown bottles in laboratory because Brown bottles react with it It reacts with ordinary white bottles Brown bottles stops the passage of light through it Brown bottles do not react with it Brown bottles react with it It reacts with ordinary white bottles Brown bottles stops the passage of light through it Brown bottles do not react with it ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the simplest aromatic hydrocarbon Benzene Aspirin Chloride Picric acid Benzene Aspirin Chloride Picric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ‘Green House effect’ is produced due to the presence of excess amount of Nitrogen dioxide Carbon monoxide Methane Sulphur dioxide Nitrogen dioxide Carbon monoxide Methane Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry When a spoon is to be electroplated with nickel the spoon is Coated with nickel sulphate and dried Made cathode and a pure nickel red, the anode Made anode and a pure nickel rod, the cathode Dipped in a nickel sulphate solution Coated with nickel sulphate and dried Made cathode and a pure nickel red, the anode Made anode and a pure nickel rod, the cathode Dipped in a nickel sulphate solution ANSWER DOWNLOAD EXAMIANS APP
Chemistry Hardest allotrope of carbon is Coke Graphite Diamond Lamp black Coke Graphite Diamond Lamp black ANSWER DOWNLOAD EXAMIANS APP
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