Question

★ Assertion(A) :- Lemon juice has sour taste.
Reason(R) :- Lemon juice is acidic nature.

a} Both A and R are true and R is the correct explanation of A.
b} Both A and R are true, but R is not the correct explanation of A.
c} A is true, but R is false.
d} A is false, but R is true.
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Answer 1

Answer

• correct option is Both A and R are true, but R is not the correct explanation of A.

Explanation:

Lemon juice, orange juice and vinegar taste sour. These substances taste sour because they contain acids.The chemical nature of such substances is acidic. The word acid is derived from the Latin word acer, which means sour.

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Answer 2

a} Both A and R are true and R is the correct explanation of A. Lemon juice has a sour taste. Lemon juice is acidic in nature.

Explanation:

• Lemon juice has a sour flavor due to the presence of acids. It has a high concentration of citric acid. Ascorbic acid is also found in lemons. Citric acid is responsible for sourness.
• Acids have a sour taste, color litmus paper red when dissolved in the water, conduct electricity whenever dissolved in water, as well as react with metals to form hydrogen gas. Lemon juice has a $pH$ between 2 and 3.
• Citric acid is abundant in lemon and lime juice, with 1.44 and 1.38 g/oz, correspondingly. The $pH$ of food is a measurement of its acidity.