Chemistry
Chemistry, 06.03.2021 01:00, alexsan5537

Which of the following reactions represents a precipitation reaction? 6H2O(l) + 6CO2(g) → C6H1206(1) + 6O2(g)
2C2H6(g) + 702(g) + 6H2O(g) + CO2(g)
O HCl(aq) + KOH(aq) → H2O(l) + KCl(aq)
CaCl2(aq) + Na2CO3(aq) → CaCO3(s) + 2NaCl(aq)

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