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Class 7 · Science · Curiosity

2. Exploring Substances: Acidic, Basic, and Neutral

Try question 1

Lemon juice is

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Answer and explanation

Answer: A. acidic

It contains citric acid and tastes sour.

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Try question 2

Blue litmus turns red in

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Answer and explanation

Answer: B. vinegar

Vinegar is acidic.

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Try question 3

Soap solution is

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Answer and explanation

Answer: B. basic

Soaps feel slippery and turn red litmus blue.

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All 5 questions of this chapter, with explanations →