Acids bases and salts and reversible reactions

Question 1

What are common acids

Answer 1

Hydrochloric- HCl
Sulphuric acid H2SO4
Nitric acid- HNO3

Question 2

Common alkalis

Answer 2

Sodium hydroxide- NaOH
Potassium hydroxide- KOH
(acids provide H and alkali provide OH forming water during neutralisation)

Question 3

reactions

Answer 3

metal oxide/hydroxide + acid —> water + salt
metal + acid —> salt + hydrogen
metal carbonate —> salt, water, CO2
evaporate some water quickly and some slowly to form crystals