by Sunday | Aug 25 | Chemistry WAEC
A. are structural isomers B. reduce Fehling’s solution C. can be obtained by the hydrolysis of starch D. are readily fermented by enzymes E. are soluble in water Correct Answer: Option D – are readily fermented by...
by Sunday | Aug 25 | Chemistry WAEC
A. Tetraoxosulphate (IV) acid is dibasic B. the acid is concentrated C. the acid is completely ionized in aqueous solution D. tetraxosulphate (IV) ions are very reactive E. the acid is highly corrosive Correct Answer: Option C – the acid is completely ionized in...
by Sunday | Aug 25 | Chemistry WAEC
A. 0.005 mole B. 0.05 mole C. 0.5 mole D. 5 moles E. 1 mole Correct Answer: Option A – 0.005 mole
by Sunday | Aug 25 | Chemistry WAEC
A. magnalium B. duralumn C. bronze D. brass E. type metal Correct Answer: Option A – magnalium
by Sunday | Aug 25 | Chemistry WAEC
In the reaction represented by the equation; 2FeCl3 + SO2 + 2H2O → 2FeCl2 + H2SO4 + 2HCl the oxidation number of sulphur changes from? A. +2 to + 6 B. + 4 to + 6 C. 0 to + 6 D. – 2 to + 4 E. +2 to + 4 Correct Answer: Option B – + 4 to +...