Which of the following statements is correct ?
(i) In the elastic collsions , the final `K.E.` is equal to the initial `k.E.`
(ii) In an inelastic collision , the final `K.E.` may be smaller or greater than the initial `K.E`.
(iii) In every collision ,momentum is conserved.
(iv) In completely inelastic collision , colliding particles stick to each other and move with same velocity. There will be loss of `K.E.`
A. `(i) ,(ii)`
B. `(i) ,(ii),(iii)`
C. `(i) ,(iii) ,(iv)`
D. all options are correct