name the 6 Hazard Symbols
What pH is an acid?
what pH is a base?
what is an alkali?
what does acid + base equal?
Why does our stomach produce Hydrochloric Acid?
what happens when there is too much hydrochloric acid in the stomach?
explain the process of nuetralising excess acid in the stomach?
what metals are bases?
what does acid + carbonate give?