by Sunday | Aug 25 | Chemistry WAEC
A. roasting the impure copper in a blast furnace B. heating the oxide with coke C. electrolyzing a copper (ll) salt solution using the impure copper as the anode D. converting the impure copper to a trioxonitrate (V) E. washing the impure copper with sodium hydroxide...
by Sunday | Aug 25 | Chemistry WAEC
A. Fructose B. Glucose C. Sucrose D. Maltose E. Cellulose Correct Answer: Option E – Cellulose
by Sunday | Aug 25 | Chemistry WAEC
A. isotopy B. isomerism C. allotropy D. hygroscopy E. sublimation Correct Answer: Option C – allotropy
by Sunday | Aug 25 | Chemistry WAEC
A. CI2 B. CO2 C. SO2 D. HCI2 E. N2O Correct Answer: Option A – CI2
by Sunday | Aug 25 | Chemistry WAEC
A. 4 B. 5 C. 6 D. 7 E. 8 Correct Answer: Option C – 6
by Sunday | Aug 25 | Chemistry WAEC
A. 300g B. 200g C. 150g D. 30g E. 15g Correct Answer: Option D – 30g