by Sunday | Oct 15 | Chemistry JAMB
A. adding concentrated hydrochloric acid to solid manganese (IV) oxide B. adding concentrated tetraoxosulphate (VI) acid to solid sodium chloride C. dropping concentrated hydrochloric acid onto potassium tetraoxomanganate (VI) crystals D. adding concentrated...
by Sunday | Oct 15 | Chemistry JAMB
A. Alcohol B. Sodium acetate solution C. Solid potassium hydroxide D. Mercury Correct Answer: Option B – Sodium acetate solution
by Sunday | Oct 15 | Chemistry JAMB
A. positive change B. negative entropy change C. no entropy change D. a minimum entropy change Correct Answer: Option C – no entropy change
by Sunday | Oct 15 | Chemistry JAMB
A. Na+ and Cl¯ B. Na+ and OH¯ C. H+ and OH¯ D. H+ and Cl¯ Correct Answer: Option D – H+ and Cl¯
by Sunday | Oct 15 | Chemistry JAMB
A. 2SO3(g) ↔ 2SO2(g) + O2(g) B. 2CO2(g) ↔ 2CO(g) + O2(g) C. 2H2(g) + O2(g) ↔ 2H2O(g) D. 2NO(g) ↔ N2(g) + O2(g) Correct Answer: Option C – 2H2(g) + O2(g) ↔ 2H2O(g)