Chemistry An oxidising agent is a An electron donor An electron acceptor It releases H2 in a chemical reaction In a chemical reaction its oxidation number increases An electron donor An electron acceptor It releases H2 in a chemical reaction In a chemical reaction its oxidation number increases ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silver gets corroded due to ________ in air. Nitrogen Carbon dioxide Oxygen Hydrogen Sulphide Nitrogen Carbon dioxide Oxygen Hydrogen Sulphide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following causes the rusting of iron? a. Oxidation b. Reduction c. Chemical reaction with oxygend. Chemical reaction with CO2 A and b C and d A and c B and c A and b C and d A and c B and c ANSWER DOWNLOAD EXAMIANS APP
Chemistry Photo-oxidation process is initiated by Oxygen Catalyst Light Heat Oxygen Catalyst Light Heat ANSWER DOWNLOAD EXAMIANS APP
Chemistry Copper substances when exposed to air gains a green coating due to the formation of: CuCO3 Cu(OH)2 CuO Cu(NO3)2 CuSO4 CuCO3 Cu(OH)2 CuO Cu(NO3)2 CuSO4 ANSWER DOWNLOAD EXAMIANS APP
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