Subject: General Science
Book: NCERT Science Class 6
Mixtures contain two or more components and can be separated using different methods.
- **Common separation techniques**:
- Hand-picking: Used for large impurities like stones in rice.
- Sieving: Used to separate flour and husk.
- Sedimentation and Decantation: Used to remove mud from water.
- Filtration: Used in water purification.
- Evaporation: Used to separate salt from seawater.
- **Importance of separation**: Helps in purifying substances and recycling.
- **Daily life applications**: Churning milk to get butter, separating tea leaves from tea.
**Possible Exam Questions:**
1. What are the different methods of separating substances? Provide examples.
2. How is filtration used in water purification?
3. Explain the concept of evaporation with an example.
4. Discuss the importance of sedimentation and decantation in the purification of water.
5. How is the concept of separation applied in the food industry?
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