Chemistry The rusting of iron is a/an None of these Electrochemical change Electrical change Physical change None of these Electrochemical change Electrical change Physical change ANSWER DOWNLOAD EXAMIANS APP
Chemistry The pair of compounds used as anaesthetic in medicines : Nitrogen dioxide, ether Chloroform, Nitrogen dioxide Ether, Ammonia Nitrous oxide, Chloroform Nitrogen dioxide, ether Chloroform, Nitrogen dioxide Ether, Ammonia Nitrous oxide, Chloroform ANSWER DOWNLOAD EXAMIANS APP
Chemistry Burning pyrites ore gives out Carbon dioxide gas Sulphur dioxide gas Nitric oxide gas Nitrogen dioxide gas Carbon dioxide gas Sulphur dioxide gas Nitric oxide gas Nitrogen dioxide gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used in welding broken pieces of iron rails and machine parts? Aluminium powder None of these Solder Aluminium sulphate Aluminium powder None of these Solder Aluminium sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The natural resource, known as black gold is Coal Tin Platinum Lead Coal Tin Platinum Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Stalactites and Stalagmites form due to the precipitation of : CaCl2 MgCO3 MgCl2 CaCO3 CaCl2 MgCO3 MgCl2 CaCO3 ANSWER DOWNLOAD EXAMIANS APP
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