Questions

    Cards (14)

    • Which ion is in excess in all acidic solutions?
    • Which ion is in excess in all alkaline solutions?
    • What scale is used for measuring acidic and alkaline properties?
    • Name three examples of acid/alkali indicators apart from universal indicator.
    • What would you use to measure pH to one decimal place? (a pH meter)
    • What pH values are acidic?
    • What colour is phenolphthalein in a solution with a pH of 2?
    • What happens to the pH as the H+ ion concentration increases?
    • If a solution has the same concentration of hydrogen ions as hydroxide ions, how is it described?
    • If 2 g of salt is dissolved in 250 cm3 of solution, what is its concentration in g dm–3?
    • What ions are present in acids
    • What ions are present in alkalis
    • What does a concentrated/dilute acid mean
    • What does strong/weak acid mean
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