SS1 Chemistry Examination Questions
TOPIC: ACIDS. BASES. SALTS DIRECTION: Choose the correct answer from the lettered options. 1. Which of the following oxides is basic? A.NO2. B.Al2O3. C. SO2. D.CaO. The correct answer is option [D]. 2. Which is the correct arrangement of the following compounds according to increasing acidic strength? A. H2SO4 > HCl > HBr > HI. […]