Question: Which of the following statements are true ?<br> (A) Crystallisation is a chemical change.<br> (B) Photosynthesis is a chemical change.<br> (C) Ripening of fruit is a physical change.<br> (D) Formation of curd from milk is a chemical change.

  Option 1: (C) and (D)
  Option 2: (A) and (B)
  Option 3: (B) and (D)
  Option 4: (B) and (C)
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