Question

9. Which mixture contains only soluble compounds? 

10. Which change would affect the rate at which a sugar cube dissolves in the same way as stirring the mixture would 

11. Which compound when dissolved in water will turn blue litmus paper red?

12. The process of obtaining fresh water from salt water is called 

13. Which compounds are acids 

HBr,HCL, HNO3 or HBr (aq), HNO3, and H3PO4 (aq)

Answer 1

9. Water

10.temperature change

11. Acids

12. Desalination

13. HCl