Question

4) CO2 + H2O
5) K2O + H2O
6) Mg +
→ MgO + c​

Answer 1

Answer:

the compound is mgco3 or magnesium carbonate.

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Answer 2

Answer:4) CO2 +H2O →H2CO3

5) K2O + H2O → 2KOH

6)MgO + C → Mg + CO

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