Chemistry Question

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The reaction of quicklime (CaO) with sulfur dioxide (SO2) is an important reaction for reducing SO2 emissions from coal-fired power plants:

CaO(s) + SO2(g) → CaSO3(s)

This reaction is an example of:
A. a precipitation reaction
B. an electrolysis reaction
C. a combustion reaction
D. a redox reaction
E. a Lewis acid-base reaction

  • Chemistry Question -

    It's a synthesis reaction but that isn't one of the choices. I would go with a as the closest.

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