Chemistry Which one is the naturally occuring heaviest element Protactinium Thorium Mercury Uranium Protactinium Thorium Mercury Uranium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron filings can be separated from a heterogenous mixture using the technique of : Sedimentation Evaporation Sublimation Magnetization Sedimentation Evaporation Sublimation Magnetization ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sea water can be purified by the process of Distillation Evaporation Fractional distillation Filtration Distillation Evaporation Fractional distillation Filtration ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following partial miscible liquid pairs has both lower and upper critical solution temperature Water and diethyl aniline Glycerine and m-toluene Aniline and n-hexane Water and Phenol Water and diethyl aniline Glycerine and m-toluene Aniline and n-hexane Water and Phenol ANSWER DOWNLOAD EXAMIANS APP
Chemistry The rusting of iron is a/an Electrochemical change Electrical change None of these Physical change Electrochemical change Electrical change None of these Physical change ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following contributes largely to the ‘green house effect’ ? Carbon monoxide Water vapour Ozone Carbon dioxide Carbon monoxide Water vapour Ozone Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP