Chemistry The metal that is usually extracted from sea water is K Mg Ca Na K Mg Ca Na ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of these acids is not organic in origin? Lactic acid Citric acid Sulphuric acid Oxalic acid Lactic acid Citric acid Sulphuric acid Oxalic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ionisation energy of nitrogen is greater than that of oxygen because nitrogen has Smaller atomic radius High nuclear charge Stable half filled 2p sub level High bond dissociation energy Smaller atomic radius High nuclear charge Stable half filled 2p sub level High bond dissociation energy ANSWER DOWNLOAD EXAMIANS APP
Chemistry The octane number of zero is assigned to 2-methyl octane 3-methyl octane iso-octane n-heptane 2-methyl octane 3-methyl octane iso-octane n-heptane ANSWER DOWNLOAD EXAMIANS APP
Chemistry An electric iron has a heating element made of : Nichrome Copper Tungsten Zinc Nichrome Copper Tungsten Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry KMnO4 can be used as Fertilizer Pesticide Disinfectant Insecticide Fertilizer Pesticide Disinfectant Insecticide ANSWER DOWNLOAD EXAMIANS APP
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