1) Acids mostly contain what ion? a) Hydrogen (H+) b) Chloride (Cl-) c) Hydroxide (OH-) d) Sodium (Na+) 2) Alkalis mostly contain what ion? a) Hydrogen (H+) b) Chloride (Cl-) c) Hydroxide (OH-) d) Sodium (Na+) 3) What pH will an acid have? a) 3 b) 10 c) 7 d) 14 4) What pH will an alkali have? a) 1 b) 7 c) 4 d) 12 5) What colour will universal indicator turn in water? a) Red b) Green c) Yellow d) Blue 6) If an acid is diluted, what will happen to the pH? a) Stay the same b) Decrease c) Increase 7) What ions are in water? a) Hydrogen (H+) b) Hydroxide (OH-) c) Hydrogen (H+) and Hydroxide (OH-) d) None 8) H2SO4 is the formula for this acid? a) Nitric b) Ethanoic c) Hydrochloric d) Sulfuric 9) NaOH is the formula for what alkali? a) Potassium Hydroxide b) Calcium Hydroxide c) Sodium Hydroxide d) Lithium Hydroxide 10) What colour will hydrochloric acid turn universal indicator? a) Red b) Purple c) Green d) Blue

Acids and Alkalis

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