When few drops of lemon are mixed with milk (i) it turns sour (ii) no change takes place (iii) properties of milk are changed (iv) properties of milk remain same Which of the above statements is/are correct?

• A.  (ii) and (iii) 
• B.  (i) and (ii)
• C.  (i) and (iii)   
• D.      (i) only