Question

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Answer 1

Answer:

Ans 1: hydrochloric acid.

Ans2: lithium hydroxide and sodium hydroxide

Ans2: natural indicators : grape juice and red cabbage..... Man-made indicators : litmus paper and value paper.

Ans 4: citric acid

Answer 2

Answer:

1. hydrochloric acid is produced in our stomach.
2. Brønsted bases and Lewis bases.
3. Red cabbage and Grape juice are examples of natural indicators. Litmus paper and phenolphthalein are examples of human-made indicator.
4. malic acid is found in citrus fruit.

Explanation:

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