by Sunday | May 12 | Chemistry WAEC
A. the yield of XY3 will decompose B. more of XY3 will decompose C. More of X2 will react D. the forward reaction will go to completion Correct Answer: Option B B. more of XY3 will decompose
by Sunday | May 12 | Chemistry WAEC
A. 0.0156 g B. 0.625 g C. 1.00 g D. 25.0 g Correct Answer: Option D D. 25.0 g Explanation 1 mole of NaOH per dm³ has a mass of 40g. mass of NaOH in 0.125mole = 0.125 x 40 = 5g. mass in 5.00 dm3 of the solution. = 5 x 5 =...
by Sunday | May 12 | Chemistry WAEC
A. Sodium chloride B. lodine crystals C. Magnesium ribbon D. Copper (ll) oxide Correct Answer: Option C C. Magnesium ribbon
by Sunday | May 12 | Chemistry WAEC
A. water from the atmosphere to form a solution B. heat from the surrounding C. carbon (IV) oxide from the atmosphere D. moisture from the atmosphere without dissolving Correct Answer: Option D D. moisture from the atmosphere without...
by Sunday | May 12 | Chemistry WAEC
A. Tetraoxosulphate (VI) acid B. Trioxosulphate (IV) acid C. Trioxosulphate (IV) acid D. Tetraoxophosphate (V) acid Correct Answer: Option A A. Tetraoxosulphate (VI) acid