Tartaric acid is present in tamarind lactic acid is present in curd citric acid is present in lemon

Introduction:
Tamarind is a popular fruit that is commonly used in cooking and for its health benefits. It has a unique acidic taste which makes it a popular ingredient in various cuisines. The acidity of tamarind can be attributed to the presence of tartaric acid.

Tartaric Acid:
Tartaric acid is a naturally occurring organic acid that is found in many fruits, including tamarind. It is a dicarboxylic acid, meaning it contains two carboxyl functional groups. Tartaric acid is a white crystalline powder with a sour taste.

Presence of Tartaric Acid in Tamarind:
Tamarind is known for its tangy and sour taste, which is primarily due to the presence of tartaric acid. This acid gives tamarind its distinctive flavor and is responsible for its acidic properties. Tartaric acid is present in tamarind in significant quantities, making it the correct answer to the given question.

Other Acids:
The other options mentioned in the question - ethanoic acid, sulphuric acid, and nitric acid - are not present in tamarind. These acids are not naturally occurring in tamarind and are not responsible for its taste or acidity.

Conclusion:
In conclusion, the correct acid present in tamarind is tartaric acid. This acid gives tamarind its characteristic tangy and sour taste. The other options mentioned in the question - ethanoic acid, sulphuric acid, and nitric acid - are not present in tamarind.