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2. lactic acid
B 1. merino Sheep
2. red to blue
3. sulphuric acid
5. organic acid
C 1. indicators are the substances that are used to test the acidic and basic medium of substances.
2. it is a mixture of concentrated nitric acid and concentrated hydrochloric acid in the ratio of 1 :3
3. the water soluble bases are called alkalis
4. salt is a compound formed as a result of neutralization reaction of an acid and a base.
D Acids are hn O3, HCI ,H2 Co3
Bases are CA OH2, CH3 COOH