(i) The pH of HCl is between 0 and 2.
(ii) the presence of Carbon Dioxide turns lime water milky or sees a white precipitate form on the surface of the lime water. Lime water is CaOH and when it reacts with Carbon Dioxide it forms a white solid (precipitate) Calcium Carbonate.
Answer:
6+9=15
mass number =15
mass number = no. protons + no. of neutrons
Answer:
1) Reaction
3)
4)Single displacement reaction
Can you show the chart please