by Sunday | Oct 16 | Chemistry JAMB
A. each of carbon and sulphur has 89 kJ of energy B. both carbon and sulphur contribute 89 kJ of energy C. 89 kJ of energy is released D. 89 kJ of energy is absorbed Correct Answer: Option D = 89 kJ of energy is absorbed
by Sunday | Oct 16 | Chemistry JAMB
A. tribasic B. unionizeable C. monobasic D. dibasic Correct Answer: Option C – monobasic
by Sunday | Oct 16 | Chemistry JAMB
A. 32 B. 8 C. 4 D. 16 Correct Answer: Option C Explanation Al3+ + 3e → Al 3 * 96500 → 27 I = 3600 * 2 → 27 I = (2.7/27) * ((3 * 96500)/(3600 * 2)) = 4.025 ≈ 4
by Sunday | Oct 16 | Chemistry JAMB
A. The bonds in the reacting molecules are more readily broken B. The molecular collisions become more violent C. A lower proportion of the molecules has the necessary minimum energy to react D. The collision frequency of the molecules increase Correct Answer: Option...
by Sunday | Oct 16 | Chemistry JAMB
A. M is more electronegative than zinc B. Zinc is above hydrogen in the series C. M is more electropositive than zinc D. Electrons flow from zinc to M Correct Answer: Option C – M is more electropositive than zinc