(a) Define an acid and a base. Give two examples of each.
(b) Give the names and formulae of two strong bases and two weak bases.
(c) What type of ions are formed
(i) when an acid is dissolved in water?
(ii) when a base (or alkali) is dissolved in water?
(d) Write the neutralisation reaction between acids and bases in terms of the ions involved.
(e) Write any two important uses of bases.
Answers
Answer:
(a)Acid is a substance that may be either weak or strong. It can destroy something or burn your skin
Examples.....
Critic acid, Lactic acid
(a) base is a substance that are slippery to touch and bitter in taste
Example......
Potassium hydroxide, Sodium hydroxide
(b) Name of two strong bases..
Sodium hydroxide
Potassium hydroxide
Name of two weak bases...
Magnesium hydroxide
Ammonium hydroxide
(d) When an acid is mixed with a base and an acid, the two react to form water and a new compound called a salt. Heat is produced during the reaction
(e) Important uses of base
It is used to manufacture soaps, detergents.
It is also used to make antacids, and antiperspirant, fertilisers, cement, bleaching, powder, and fungicides. It is also used in alkaline batteries...