Question

"III. Short answer questions:
State the differences between acids and bases,
(3 marks)
ins.
PW Science WB-VII (51)​

Answer 1

Answer:

An acid is a substance that produces hydrogen ion (H+) as the only positive ion when mixed with water. A base is a substance that produces hydroxyl ion (OH–) as the only negative ion when mixed with water. An acid is a species that can release/donate a proton to another species.

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Answer 2

Answer:

Acids Bases

i) Acids are sour in taste. i) Bases are bitter in taste.

ii) Acid turns blue litmus to red. ii) Bases turn red litmus to blue.

iii) Acid is a substance which contains hydrogen ion H

+

. iii) Bases are substances which contain hydroxyl ion OH

−

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