MCQ
Direction: Read the passage $(s)$ given below and answer the questions that follow Passage 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. Chemical changes are generally:
- AReversible change.
- ✓Irreversible change.
- CPeriodic change.
- DNone of these.
