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