by Sunday | Oct 13 | Chemistry JAMB
A. oxygen and leaving behind aqueous hydrochloric acid B. chlorine and oxygen C. oxygen, hydrogen and chlorine D. oxygen, thereby producing hypochlorous acid Correct Answer: Option A – oxygen and leaving behind aqueous hydrochloric...
by Sunday | Oct 13 | Chemistry JAMB
A. Fe, Sn and Cu B. Mg, Fe and Cu C. Mg, Sn and Fe D. Cu, Mg and Sn Correct Answer: Option C – Mg, Sn and Fe
by Sunday | Oct 13 | Chemistry JAMB
A. easily reduced B. not easily reduced C. easily oxidized D. not easily oxidized Correct Answer: Option D – not easily oxidized
by Sunday | Oct 13 | Chemistry JAMB
Na2S2O3(aq) + 2HCl(aq) → 2NaCl(aq) + H2O(l) A. An increase in temperature and decrease in the concentration of the reactant B. A decrease in the volume and increase in the pressure of the reactant C. A decrease in the temperature and an increase in the concentration...
by Sunday | Oct 13 | Chemistry JAMB
A. Fe³+(H2O)6 B. FeO.H2O C. Fe2O3.3H2O D. Fe3O4.2H2O Correct Answer: Option C – Fe2O3.3H2O