Question

Juice of tamarind turns blue litmus to red. It is because of the presence of an acid called:

• A. methanoic acid
• B. acetic acid
• C. tartaric acid
• D. oxalic acid

Answer 1

The Correct Option is C

Step 1: Understanding the reaction:
The juice of tamarind turns blue litmus paper red, indicating that the juice is acidic in nature. The change in color from blue to red is due to the presence of an acid.

Step 2: Identifying the acid:
Tamarind juice contains a naturally occurring acid, which is responsible for this acidic property. The specific acid found in tamarind is tartaric acid, which is a weak organic acid. Tartaric acid is commonly found in tamarind, grapes, and other fruits.

Step 3: Conclusion:
The acid present in tamarind juice that turns blue litmus paper red is tartaric acid.