Chemistry - June 2011

47 Which solution reacts with LiOH(aq) to produce a salt and water?

(1) KCl(aq)      (3) NaOH(aq)
(2) CaO(aq)      (4) H2SO4(aq)

48 Which volume of 2.0 M NaOH(aq) is needed to completely neutralize 24 milliliters of 1.0 M HCl(aq)?

(1) 6.0 mL     (3) 24 mL
(2) 12 mL      (4) 48 mL

49 Which type of reaction releases the greatest amount of energy per mole of reactant?

(1) combustion
(2) decomposition
(3) nuclear fusion
(4) oxidation-reduction

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