They act as spermicidal agents.
A. (i) and (ii)
B. (i) and (iii)
C. (ii) and (iii)
D. (iii) and (iv)
Answer:C
They act as spermicidal agents.
A. (i) and (ii) B. (i) and (iii) C. (ii) and (iii) D. (iii) and (iv)