A. Acetic acid
A.
B. Formic acid
B.
C. Oxalic acid
C.
D. Tartaric acid
D.
Correct Answer: C
সঠিক উত্তর: C
Explanation
ব্যাখ্যা
Spinach contains oxalic acid. It is a naturally occurring acid found in many vegetables and fruits, and it's particularly abundant in spinach.