by Sunday | Oct 12 | Chemistry JAMB
A. C2H2 B. C3H3 C. C4H4 D. C5H5 Correct Answer: Option A – C2H2 Explanation % of H2 = 100 – 92.3 = 7.7% mole = 92.3/12; ⇔ 7.7/1 7.1/7.1; ⇔ 7.1/7.1 empirical formula = CH (CH)n = 26 (12 + 1)n = 26 (13)n = 26 n = 26/13 = 2 molecular formula =...
by Sunday | Oct 12 | Chemistry JAMB
A. carbon B. carbon (IV) oxide C. ethene D. ethanol Correct Answer: Option A – carbon
by Sunday | Oct 12 | Chemistry JAMB
A. alkyne B. alkanol C. alkanone D. alkanal Correct Answer: Option D – alkanal
by Sunday | Oct 12 | Chemistry JAMB
A. optical isomerism B. positional isomerism C. functional isomerism D. geometrical isomerism Correct Answer: Option D – geometrical isomerism
by Sunday | Oct 12 | Chemistry JAMB
A. haematite, malachite and limonite B. chalcolite, calamine and bornite C. magnetite, haematite and bornite D. magnetite, chalcolite and bornite Correct Answer: Option C – magnetite, haematite and bornite
by Sunday | Oct 12 | Chemistry JAMB
A. AlCl3 B. NH4Cl C. Na2CO3 D. CH3COONa Correct Answer: Option A – AlCl3
Land Law and the Consequences of Unauthorized Land Transfers in Nigeria
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