26 Classify each chemical equation as a combination/synthesis, decomposition, single replacement, double replacement, or combustion.Â
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• Pb(s) + Hg2SO4(s) PbSO4(s) +2 Hg(l)
•  NaCl(aq) + AgNO3(aq) AgCl(s) + NaNO3(aq)
• 2 H20(l)2 H2(g) + 02(g)