by Sunday | Aug 25 | Chemistry WAEC
A. Sewage B. Plastics C. Metal scrape D. Lead compounds E. Hydrogen sulphide Correct Answer: Option A – Sewage
by Sunday | Aug 25 | Chemistry WAEC
MO and X 2O represent the formula of oxides of elements M and X respectively. If M and X should combine to form a separate compound, what would be the formula of the compound? A. MX2 B. M2X C. MX D. M3X2 E. MX3 Correct Answer: Option A –...
by Sunday | Aug 25 | Chemistry WAEC
A. C4H8O2 B. C4H8O3 C. C6H10O5 D. C6H12O6 E. C12H22O11 Correct Answer: Option D – C6H12O6
by Sunday | Aug 25 | Chemistry WAEC
A. copper (ll) hydroxide B. copper (ll) trioxonitrate (V) pentahydrate C. copper (ll) tetraoxosulphate (VI) pentahydrate D. copper (ll) oxide E. copper (ll) trioxocarbonate (lV) Correct Answer: Option C – copper (ll) tetraoxosulphate (VI)...
by Sunday | Aug 25 | Chemistry WAEC
A. NaCl B. ACI3 C. FeCI3 D. Na2SO4 E. K2CO3 Correct Answer: Option E – K2CO3