by Sunday | Mar 17 | Chemistry WAEC
Consider the reaction represented by the following equation: 2SO2 + O2 ⇌ 2SO3 A. decrease in the concentration of SO2 B. have no effect on the reaction C. shift the equilibrium position to the left D. shift the equilibrium position to the right Correct Answer: Option...
by Sunday | Mar 17 | Chemistry WAEC
A. saponification B. esterification C. carboxylation D. halogenation Correct Answer: Option B – esterification
by Sunday | Mar 17 | Chemistry WAEC
The oxidation of chromium in Cr2O7−2? A. +4 B. +5 C. +6 D. +7 Correct Answer: Option C = +6 Explanation 2 atoms of Cr, 7 X -2 atoms of O 2Cr – 14 = -2 2Cr = -2 + 14 2Cr = 12 Cr =...
by Sunday | Mar 17 | Chemistry WAEC
A. a reducing agent B. a dehydrating agent C. a drying agent D. an oxidizing agent Correct Answer: Option A – a reducing agent Explanation – As a reducing agent, Ammonia reacts with chlorine to create nitrogen gas and hydrogen chloride vapour in the first...
by Sunday | Mar 17 | Chemistry WAEC
A. activation energy of the reaction B. rate of the reaction C. rate of the reverse reaction D. heat of reaction Correct Answer: Option D – heat of reaction
by Sunday | Mar 17 | Chemistry WAEC
A. H+ / K2Cr2O7 B. I2 / OH- C. CH3COOH D. NaCl Correct Answer: Option A = H+ / K2Cr2O7 Explanation When a primary alcohol like ethanol is warmed with excess of an oxidizing reagent, such as acidified Potassium permanganate (KMnO4) or acidified Potassium dichromate...
Land Law and the Consequences of Unauthorized Land Transfers in Nigeria
Original price was: ₦1,000.00.₦300.00Current price is: ₦300.00.