(i) False
Integers are negative also.
(ii) True
0 is neither positive nor negative.
(iii) False
0 is simply an integer that is neither positive nor negative.
(iv) True
Every negative integer is to the left of 0 on a number line.
(v) False
The absolute value of positive integer is integer itself. So both are equal.
(vi) True
Its opposite will be a negative integer and positive integer is always greater than negative integer.
(vii) True
Natural numbers start from 0, and 0 is greater than every negative integer.
(viii) False
0 is neither positive nor negative.