by Sunday | Oct 14 | Chemistry JAMB
A. silver B. copper C. iron D. aluminium Correct Answer: Option A – silver Explanation In reality, silver actually has an even higher electrical conductivity than copper, but silver is too expensive to use.
by Sunday | Oct 14 | Chemistry JAMB
NH4Cl(s) ↔ NH3(g) + HCl(g) A. a gaseous reactant is added B. one of the products is removed C. it is in a closed system D. it is an open system Correct Answer: Option C – it is in a closed system
by Sunday | Oct 14 | Chemistry JAMB
A. hydrogen bromide B. Sulphur (IV) oxide C. hydrogen sulphide D. ammonia Correct Answer: Option B – Sulphur (IV) oxide
by Sunday | Oct 14 | Chemistry JAMB
N2(g) + 3H2(g) ↔ 2NH3(g) ΔH = -90 kJ A. increasing the pressure B. removing the ammonia as it is formed C. increase the temperature D. adding a catalyst Correct Answer: Option C – increase the temperature
by Sunday | Oct 14 | Chemistry JAMB
A. O2(g) B. H2(g) C. Cl2(g) D. HCl(g) Correct Answer: Option D – HCl(g)
by Sunday | Oct 14 | Chemistry JAMB
A. Al2N B. Al2N2 C. AlN D. Al2N3 Correct Answer: Option C – AlN
Land Law and the Consequences of Unauthorized Land Transfers in Nigeria
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