by Sunday | Oct 13 | Chemistry JAMB
A. make baking powder B. make fruit juices C. remove rust D. dry substance Correct Answer: Option A – make baking powder
by Sunday | Oct 13 | Chemistry JAMB
A. 6 mins B. 8 mins C. 24 mins D. 48 mins Correct Answer: Option B – 8 mins Explanation Cu²+ + 2e → Cu(s) 2 X 96500C deposit 64g of Cu ∴ x quantity of electricity wil deposit 0.08 x = (2 * 96500 * 0.08)/64 =241.25 coulomb. Q = It 241.25 = 0.5t t = 241.25/60 = 8...
by Sunday | Oct 13 | Chemistry JAMB
C2H4(g) + H2(g) → C2H6(g) ΔH = -137kJ mol-1 A. exothermic B. spontaneous C. endothermic D. in equilibrium Correct Answer: Option A – exothermic
by Sunday | Oct 13 | Chemistry JAMB
A. The blue colour of the solution disappears B. Electrons flow from copper to zinc C. The zinc rod remain undissolved D. The copper generate more copper ions Correct Answer: Option A – The blue colour of the solution...
by Sunday | Oct 13 | Chemistry JAMB
A. direct combination B. redox C. double decomposition D. neutralization Correct Answer: Option B – redox
Land Law and the Consequences of Unauthorized Land Transfers in Nigeria
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