Chemistry The process of removing calcium and magnesium from hard water is known as Filtration Sedimentation Water softening Flocculation Filtration Sedimentation Water softening Flocculation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Equal masses of oxygen, hydrogen and methane are kept under identical conditions. The ratio of the volumes of gases will be 2 : 16 : 2 1 : 16 : 2 2 : 16 : 1 1 : 1 : 1 2 : 16 : 2 1 : 16 : 2 2 : 16 : 1 1 : 1 : 1 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The charcoal used to decolourise brown sugar solution is Sugar charcoal Coconut charcoal Animal charcoal Wood charcoal Sugar charcoal Coconut charcoal Animal charcoal Wood charcoal ANSWER DOWNLOAD EXAMIANS APP
Chemistry Tear gas used by the police to disperse the mob contains Hydrogen sulphide Chlorine Carbon dioxide Ammonia Hydrogen sulphide Chlorine Carbon dioxide Ammonia ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of these acids is not organic in origin? Sulphuric acid Citric acid Lactic acid Oxalic acid Sulphuric acid Citric acid Lactic acid Oxalic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical(s) most commonly used for cloud seeding or ‘artificial rainmaking’ is/are All listed here Silver Iodide Dry ice or frozen carbon dioxide Sodium Chloride All listed here Silver Iodide Dry ice or frozen carbon dioxide Sodium Chloride ANSWER DOWNLOAD EXAMIANS APP
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