by Sunday | Sep 17 | Chemistry JAMB
A. be indeterminate B. be spontaneous C. not be spontaneous D. be at equilibrium Correct Answer: Option C – not be spontaneous
by Sunday | Sep 17 | Chemistry JAMB
A. chlorine B. oxygen C. tetaoxsulphate (Vl) acid D. hydrogen Correct Answer: Option D – hydrogen
by Sunday | Sep 17 | Chemistry JAMB
2H2O (l) + 2F2(g) → 4HF(aq) + O2(g). A. O2(g) B. H2O(l) C. F2(g) D. HF(aq) Correct Answer: Option C = F2(g) Explanation F(2) + 2e → 2F- x 2 2F2 + 4e → 4F-
by Sunday | Sep 17 | Chemistry JAMB
A. the reaction of trioxocarbonate (V) with an acid B. double decomposition C. the action of dilute acid on an insoluble base D. the reaction of metals with an acid Correct Answer: Option B – double decomposition
by Sunday | Sep 17 | Chemistry JAMB
A. Aluminium oxide B. Sodium hydrogentrioxosulphate (V) C. Sodium trioxocarbonate (V) D. Zinc chloride Correct Answer: Option A – Aluminium oxide
by Sunday | Sep 17 | Chemistry JAMB
A. close to that of pure water B. less than 6.4 C. greater than 6.4 D. unaltered Correct Answer: Option B – less than 6.4