by Sunday | May 8 | Chemistry WAEC
A. CaO B. Ca(HCO3)2 C. H2CO3 D. CaCO3 Correct Answer: Option B B. Ca(HCO3)2
by Sunday | May 8 | Chemistry WAEC
A. heavier than air B. insoluble in water C. lighter than air D. soluble in water Correct Answer: Option C C. lighter than air
by Sunday | May 8 | Chemistry WAEC
A. is a supersaturated solution B. cannot dissolve more of the solute at that temperature C. contains any amount of solute in a given volume of solution D. contains one mole of the solute in 1 dm3 of solution Correct Answer: Option D D. contains one mole of the solute...
by Sunday | May 8 | Chemistry WAEC
A. mass number B. oxidation number C. atomic number D. Avogadro number Correct Answer: Option D D. Avogadro number
by Sunday | May 8 | Chemistry WAEC
A. 2,5 and 2 B. 2,2 and 5 C. 5, 1 and 2 D. 1, 5 and 2 Correct Answer: Option A A. 2,5 and 2