When sulphur (IV) oxide is passed into a solution of sodium hydroxide for a long time; it eventually produces a solution of?
A. NaHSO4 B. Na2SO3 C. NaHSO3 D. Na2SO4 Correct Answer: Option B – Na2SO3
A concentrated solution containing H+; Cu²+; OH- and Cl- was electrolyzed using platinum electrodes. The ion that will be discharged at the cathode is
A. Cu²+ B. Cl- C. H+ D. OH- Correct Answer: Option A – Cu²+
In which of the following reactions can the oxidation number of the nitrogen be said to have increased?
A. 2NO(g) + O2(g) → 2NO2(g) B. NO(g) + Cl2(g) → NOCl2(l) C. FeSO4(aq) + NO(g) → Fe(NO)SO4(s) D. NO(g) + Br2(l) → NOBr2(l) Correct Answer: Option A – 2NO(g) + O2(g) → 2NO2(g)
When iron is exposed to moisture and it rusts; the value of ΔG for the reaction is?
A. neutral B. zero C. positive D. negative Correct Answer: Option D – negative
Phenolphthalein in acidic solution is?
A. red B. orange C. colourless D. yellow Correct Answer: Option C – colourlessProducts
-
Land Law and the Consequences of Unauthorized Land Transfers in Nigeria
Original price was: ₦1,000.00.₦300.00Current price is: ₦300.00.
-
Co-Ownership Structures and Land Acquisition Methods in Nigeria
Original price was: ₦1,000.00.₦300.00Current price is: ₦300.00.
-
Rights in Community Land and Fundamental Land Concepts in Nigeria
Original price was: ₦1,000.00.₦300.00Current price is: ₦300.00.
-
Customary Land Control and the Origins of Nigeria's Land Use Act
Original price was: ₦1,000.00.₦300.00Current price is: ₦300.00.
-
Land Ownership Principles and Transaction Laws in Nigeria
Original price was: ₦1,000.00.₦300.00Current price is: ₦300.00.