DIRECTIONS: Read the passage (s) given below and answer the questions that follow Passage -1 For changing milk into curd we add a small quantity of curd into milk. The milk is stirred and is set aside for a few hours at a warm place. In a few hours the milk changes into curd. The change of milk into curd is a

• A. slow change
• B.  fast change
• C. Copper sulphate solution ? Electrolyte
• D. endothermic change