Chemistry What is the most common salt in sea water ? Calcium carbonate Sodium chloride Magnesium sulphate Potassium chloride Calcium carbonate Sodium chloride Magnesium sulphate Potassium chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry When a spoon is to be electroplated with nickel the spoon is Dipped in a nickel sulphate solution Coated with nickel sulphate and dried Made cathode and a pure nickel red, the anode Made anode and a pure nickel rod, the cathode Dipped in a nickel sulphate solution Coated with nickel sulphate and dried Made cathode and a pure nickel red, the anode Made anode and a pure nickel rod, the cathode ANSWER DOWNLOAD EXAMIANS APP
Chemistry The function of skimming tank in sewage treatment is to remove Inorganic substances Suspended solids Gritty substances Oil and fatty substances Inorganic substances Suspended solids Gritty substances Oil and fatty substances ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ionisation energy of nitrogen is greater than that of oxygen because nitrogen has 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 Smaller atomic radius High nuclear charge ANSWER DOWNLOAD EXAMIANS APP
Chemistry For a spontaneous chemical process, the free energy change is Zero Depends on whether the reaction is exothermic or endothermic Negative Positive Zero Depends on whether the reaction is exothermic or endothermic Negative Positive ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is not a pure form of carbon Diamond Graphite Coal Gold Diamond Graphite Coal Gold ANSWER DOWNLOAD EXAMIANS APP
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