A. Acetic Acid
A.
B. Citric Acid
B.
C. Oxalic Acid
C.
D. Malic Acid
D.
Correct Answer: D
সঠিক উত্তর: D
Explanation
ব্যাখ্যা
The primary acid present in apples is malic acid. Malic acid gives apples their characteristic tart or sour taste. It is a dicarboxylic acid also found in other fruits like grapes and rhubarb, as well as some vegetables. The name "malic" is derived from the Latin word "malum," which means apple.