pH Scale: Acid and Alkali MCQ (Multiple Choice Questions) PDF - 142

MCQ 706: Oven Cleaner has a pH of

1. 0
2. 1
3. 7
4. 14

MCQ 707: Due to a positive metal ion and mobile valence electron, the resulting bond is

1. ionic in nature
2. covalent in nature
3. metallic in nature
4. dative covalent bond

MCQ 708: One molecule each of Magnesium Chloride (MgCl₂), Water (H₂O) and Carbon dioxide (CO₂) results if the reactants are

1. MgCO₃ and HCl
2. MgCO₃ and 2HCl
3. MgHCO₃ and HCl
4. MgHCO₃ and 2HCl

MCQ 709: Consider the equation Al₂O₃ + NaOH + H₂O →NaAl(OH)₄. Moles of product required to balance the reaction would be

1. 1
2. 2
3. 3
4. 4

MCQ 710: Acids react with metal oxides to form

1. salt and water
2. salt and hydrogen gas
3. salt and oxygen
4. salt and water