Question

An example of combination reaction between two elements is
a - formation of water
b - formation of limestone
c - formation of sulphur trioxide
d - formation of carbon dioxide from Carbon monoxide and oxygen

Answer 1

Answer:

1. H2+O2---> H2O
2. CaO+CO2---->CaCO3
3. 2SsO2+O2---->2SO3
4. CO2+C--->2CO

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