Question

can u plss tell me....how many answers u know from all of these questions pls tell​

Answer 1

Answer:

1. a) Magnesium Bicarbonate

b) Potassium carbonate

2. a) Na2Zn(OH)4

b) SnO2

c) CaBr2

3. Some elements differ in their capacity to combine with other elements depending on the nature of the reaction; this property is called variable valency.

4. H2 is molecular hydrogen which contain 2 hydrogen atoms combined together.

2H is the elemental hydrogen containing 2 atoms of hydrogen that are not combined with anything.

5. basic radical. acidic radical

NH4+ SO4 ^2-

Zn^2+ CO3 ^2-