Write the chemical formula of the following compounds.

1. Hydrochloric acid ______________________
2. Phosphoric acid ______________________
3. Phosphorous acid ______________________
4. Sulfuric acid ______________________
5. Carbonic acid ______________________
6. Nitric acid ______________________
7. Hydrobromic acid ______________________
8. Hydrosulfuric acid ______________________
   Write the proper chemical name of the following compounds.
9. H2SO4 (aq) _______________________
10. HBr (aq) _______________________
11. HNO3 (aq) _______________________
12. HF (aq) _______________________
13. H3PO4 (aq) _______________________
14. HI (aq) _______________________
15. H2CO3 (aq) _______________________
16. H2CrO4 (aq) _______________________