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2 Written questions

2 Multiple choice questions

  1. - proton acceptor/produces OH` (hydroxide) ions
    Eg. NaOH -> Na+ + OH`
    - BITTER and feels slippery
    - conducts electricity
    - turns RED litmus paper BLUE
  2. - proton donor/produces H+/H3O+ ions
    Eg. 2HCl(aq) + Mg(s) -> MgCl2(aq) + H2(g)
    - SOUR
    - conducts electricity
    - reacts with metals to produce hydrogen gas
    - turns BLUE litmus paper RED

1 True/False question

  1. pH Scale- used to measure the acidity/alkalinity of a substance
    - ranges from 0 (most acidic) to 14 (most basic)
    - each pH unit represents a tenfold change in the concentration of H+, thus pH 2 has 10x as many H+ prtons as pH 3.