by Sunday | Aug 23 | Chemistry WAEC
A. potential energy B. free energy C. bond energy D. kinetic energy E. hydration energy Correct Answer: Option D – kinetic energy
by Sunday | Aug 23 | Chemistry WAEC
A. 1s² 2s² B. 1s² 2s² 2p4 C. 1s² 2s² 2p6 3s² 3p6 D. 1s² 2s² 2p² E. 1s² 2s² 2p6 3s² 3p³ Correct Answer: Option C – 1s² 2s² 2p6 3s² 3p6
by Sunday | Aug 23 | Chemistry WAEC
A. 86g B. 92g C. 98g D. 110g E. 112g Correct Answer: Option D – 110g
by Sunday | Aug 23 | Chemistry WAEC
A. magnesium nitride and magnesium oxide B. magnesium nitride and carbon (ll) oxide C. magnesium oxide and steam D. magnesium nitride and soot E. magnesium oxide and carbon (ll) oxide Correct Answer: Option C – magnesium oxide and...
by Sunday | Aug 23 | Chemistry WAEC
A. heating coal in plentiful supply of air B. burning coal in air to produce water and carbon (IV) oxide C. heating coal in the absence of air D. heating coal in limited supply of air E. separating coal into various allotropes of carbon Correct Answer: Option C...