26 Classify each chemical equation as a combination/synthesis, decomposition, single replacement, double replacement, or combustion. 
 
• 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)

Respuesta :

1. Single replacement
2. Double replacement
3. Decomposition

double replacement: is the answer on E.D.G