In this paper, students will use simple experiments to study the basic chemical properties of hydrochloric acid.
Necessary materials:
- test tubes - 3 pcs
- pipettes - 3 pcs
- tube stand
Reagents:
- hydrochloric acid solution (HCl)
- sodium hydroxide solution (NaOH)
- litmus paper
- natural indicator or phenolphthalein
- chalk (CaCO3)
