11. Which of the following acid is present in lemons?
Ascorbic acid
Explanation for correct option-
Ascorbic acid contains vitamin C which is found in citrus fruits. Lemons are considered citrus fruit which are acidic in nature with average pH value of 2.3.
Explanation of incorrect option-
Acetic acid is found in vinegar, as the acid is sour in taste. So, it is used in pickles and many other edible things for preservation.
Oleic acid is a known naturally occurring fatty acid that is found in oils. This fatty acid is the main component of olive oil.
Stearic acid is the most abundant acid found in animal fat as compared to vegetable fat. All the meat and poultry products contains stearic acid.
Hence, option (D) is the correct answer.