Question

Write the formula of the following compounds: 11. Mercury oxide
12. Lead sulphide
13. Magnesium sulphide
14. Washing soda​

Answer 1

HgO

PbS

MgS

Na₂CO₃

hope it helps you

Answer 2

Answer:

11. HgO

12. PbS

13. MgS

14. Na2CO3·10H2O

Explanation:

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