Practice bits - Writing Chemical formulas for class 7

Write the formulas of the following compounds:

1.  Sodium carbonate
2. Magnesium sulphate
3. Zinc oxide
4.  Aluminium hydroxide
5.  Copper(II) sulphate
6.  Silver(I) chloride
7. Potassium nitrate
8. Sodium hydroxide
9.  Calcium carbonate
10.   Sodium bisulphate
11.  Iron(II) sulphide
12. Zinc sulphide
13. Ammonium chloride
14.  Ammonium nitrate
15.  Potassium dichromate
16.  Sodium aluminate
17.  Nickel sulphate
18. Iron (III) chloride
19.  Hydrogen chloride
20. Sodium chloride

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