Question

Please help me with this question​

Answer 1

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1) MgO

2) CuS

3) CaO

4) PbO

Answer 2

Answer:

1- Mgo 2- Cuso2

3- Cao 4- Pbo

5- N2o. 5- zncl2

7-Mgso2. 8- Pbso2

9. co2. 10- H2o