Chemistry 12Unit 4 - Acids, Bases and SaltsKEY16. What two common bases are used in the production of soaps?sodium hyd roxide (NaOH) and potassium hydroxide (KOH)17. Give the name of an alkaline gas which is highly soluble in water. ammonia (NH3)18. Nitric acid from the supplier is 16 M or 69 % HNO3.19. a non-electrolyteWhich acid is in it's concentrated form? acetic(CH3COOH)20.Drain cleaner is made up of mainly Sodium hydroxide (NaoH) (some has H2SO4)21. Name two compounds that absorb CO2 from the air. sodium hydroxide (NaOH)and potassium hydroxide (KOH)22. Which acid is used in the manufacture of textiles? acetic acid (CH3COOH)23.Hydrochloric (HCI)acid is used to remove "scale" from boilers.24.Name an acid which produces a lot of heat when mixed with water. sulphuric (H2SO4)25. Name a base which produces a lot of heat when added to water. sodium hydroxide26. Potassium hydroxide (KOH) is used as an electrolyte in alkaline batteries.27. Write balanced formula equations for the reactions which happen when the following aremixed:a) sodium hydroxide and phosphoric acid3Na OH + H3PO43 H2O + Na3PO4b) sulphuric acid and aluminum hydroxide3H2SO4 + 2A1(OH)36 H2O + Al2 (SO4)3c) Fe(OH)3 + HNO3Fe(OH)3 + 3HNO33H2O + Fe(NO3)3Worksheet 4-1 - Common Acids and BasesPage 2