a) What are salts? How are they formed from acids and bases? Are they acidic, basic or neutral? Give examples. [3 MARKS] b) Give names of the acids found in the following substances: i) Vinegar ii) Curd. [2 MARKS]
How do we test whether a substance is an acid or base? Explain the mechanism. Give examples of some substances that can be used for testing acids and bases. [3 MARKS]
What are tri acidic bases? Give one example? [2 MARKS]
Give three examples of periodic motion.[3 MARKS]