A. oxygen and leaving behind aqueous hydrochloric acid B. chlorine and oxygen C. oxygen, hydrogen and chlorine D. oxygen, thereby…
A. Fe, Sn and Cu B. Mg, Fe and Cu C. Mg, Sn and Fe D. Cu, Mg and Sn…
A. easily reduced B. not easily reduced C. easily oxidized D. not easily oxidized Correct Answer: Option D - not…
Na2S2O3(aq) + 2HCl(aq) → 2NaCl(aq) + H2O(l) A. An increase in temperature and decrease in the concentration of the reactant…
A. Fe³+(H2O)6 B. FeO.H2O C. Fe2O3.3H2O D. Fe3O4.2H2O Correct Answer: Option C - Fe2O3.3H2O
A. lead and tin B. iron and tin C. lead and zinc D. iron and zinc Correct Answer: Option A…
A. trioxonitrate (V) B. chloride C. trioxocarbonate (IV) D. hydroxide Correct Answer: Option C - trioxocarbonate (IV)
A. be converted to carbide B. be converted to the trioxocarbonate (IV) salt C. decomposes to the metal D. melt,…
A. is strongly oxidizing B. is volatile C. renders the metal passive D. forms a layer of oxide on the…
A. A B. B C. C D. D Correct Answer: Option C