Chemistry Permanent – hardness of water may be removed by addition of Potassium Permangante Sodium carbonate Alum Lime Potassium Permangante Sodium carbonate Alum Lime ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most pure form of Carbon among the options is Anthracite Graphite Wood Charcoal Lampblack Anthracite Graphite Wood Charcoal Lampblack ANSWER DOWNLOAD EXAMIANS APP
Chemistry The function of sedimentation tank in sewage treatment is to: Aerate the sewage Remove suspended solids Disinfect the sewage Remove water content Aerate the sewage Remove suspended solids Disinfect the sewage Remove water content ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a natural dye ? Crystal violet Phenolphthalein Aniline blue Alizarin Crystal violet Phenolphthalein Aniline blue Alizarin ANSWER DOWNLOAD EXAMIANS APP
Chemistry The pair of compounds used as anaesthetic in medicines : Nitrous oxide, Chloroform Ether, Ammonia Chloroform, Nitrogen dioxide Nitrogen dioxide, ether Nitrous oxide, Chloroform Ether, Ammonia Chloroform, Nitrogen dioxide Nitrogen dioxide, ether ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chernobyl disaster is the result of pollution by Carbon dioxide Radioactive waste Oil spill Acid rain Carbon dioxide Radioactive waste Oil spill Acid rain ANSWER DOWNLOAD EXAMIANS APP
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