Chemistry Which of the following is not a noble gas ? Helium Hydrogen Argon Neon Helium Hydrogen Argon Neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is usually not an air-pollutant? Carbon dioxide Sulphur dioxide Nitrous oxide Hydrocarbons Carbon dioxide Sulphur dioxide Nitrous oxide Hydrocarbons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following does not form oxyacid ? Fluorine Sulphur Nitrogen Chlorine Fluorine Sulphur Nitrogen Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aluminium can be purified by Oxidation Ozonolysis Electrolysis Distillation Oxidation Ozonolysis Electrolysis Distillation ANSWER DOWNLOAD EXAMIANS APP
Chemistry The percentage of Nitrogen in Air is 0.03 78.03 0.94 85.02 0.03 78.03 0.94 85.02 ANSWER DOWNLOAD EXAMIANS APP
Chemistry An oxidising agent is a An electron donor It releases H2 in a chemical reaction In a chemical reaction its oxidation number increases An electron acceptor An electron donor It releases H2 in a chemical reaction In a chemical reaction its oxidation number increases An electron acceptor ANSWER DOWNLOAD EXAMIANS APP
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