TorieLagoa TorieLagoa

03-06-2015
Chemistry

contestada

Which reactants form the salt CaSO4(s) in a neutralization reaction?
(1) H2S(g) and Ca(ClO4)2(s)
(2) H2SO3(aq) and Ca(NO3)2(aq)
(3) H2SO4(aq) and Ca(OH)2(aq)
(4) SO2(g) and CaO(s)

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Oenothera Oenothera

03-06-2015

3 Neutralization reaction would be an acid and a base as reactants

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lulu1991 lulu1991

03-06-2015

The answer is (3) H2SO4(aq) and Ca(OH)2(aq). The neutralization reaction will not change the valence of elements. For (4), SO2 reacts with CaO is called synthesis reaction.

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