0 is not identity for subtraction.
The given statement,'0 is not identity for subtraction.' is true because a-0≠0-a≠a.
Question 7 Zero (0) is: (a) the identity for addition of rational numbers. (b) the identity for subtraction of rational numbers. (c) the identity for multiplication of rational numbers. (d) the identity for division of rational numbers.
Identity of the binary operation subtraction is 0