We encounter multiple entities around us. Some entities are naturally occurring in nature, whereas others are manufactured, i.e. created by human beings. All these entities are of diverse colours, shapes, sizes, and possessions. To understand the entities around us, it is crucial to categorise them. Sorting directs the approach of arranging these entities in a group.
Download Class 6 Chemistry Worksheet on Chapter 4 Sorting Materials Into Groups Set 3 PDF
CBSE Class 6 Chemistry Chapter 4 Sorting Materials Into Groups Worksheet – Set 3
Q1. Which of the following floats on water?
(a) Wood
(b) Plastic
(c) Both (a) and (b)
(d) None of the above
Q2. Which of the following material is used to make a tumbler?
(a) Plastic
(b) Metal
(c) Clothes
(d) None of the above
Q3. Which of the following is miscible in water?
(a) Blue Vitriol
(b) Alcohol
(c) Milk
(d) All of the above
Q4. Which of the following is a transparent object?
(a) Glass
(b) Water
(c) Air
(d) All of the above
Q5. Which of the following is immiscible in water?
(a) Almond oil
(b) Sodium chloride
(c) Alcohol
(d) None of the above
Q6. Materials are grouped based on _______ and ________.
Q7. _______ is transparent.
Q8. State true or false.
Turmeric powder is insoluble in water.
Q9. State true or false.
Brass has a reddish brown colour.
Q10. State true or false.
Milk is miscible in water.
Q11. Why do we need classification?
Q12. Define density.
Q13. Define buoyancy.
Q14. Why is it essential to classify substances as biodegradable and non-biodegradable?
Q15. Differentiate between transparent and translucent objects.
Q16. Match the following.
| Column A | Column B |
|---|---|
| Glass, air | Floats on water |
| Iron sheet and cardboard | Metallic lustre |
| Oily paper sheet | Soluble in water |
| Sugar and salt | Translucent |
| Gold and silver | Opaque |
| Wax | Transparent |
Q17. What are the advantages of classification?
Q18. What is a metal?
Q19. Define classification. What is the basis of classification?
Q20. What are the differences between solids, liquids and gases?
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