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