Class 6 Exam > Class 6 Notes > Eureka Plus Class 6: Book Solutions, Notes & Worksheets > Worksheet: Separation of Substances
Separation of Substances Class 6 Worksheet Science Chapter 3
Q1: Multiple Choice Questions (MCQs)
(i) What is the primary purpose of sieving?
(a) To separate insoluble solids from liquids.
(b) To separate solid substances that differ in size.
(c) To separate immiscible liquids.
(d) To dissolve solid particles in a liquid.
(ii) What is the outer covering of seed grains that can be separated using winnowing?
(a) Salt
(b) Chaff
(c) Sugar
(d) Sand
(iii) What is the process of gradually pouring off liquid from one container to another without disturbing the sediment called?
(a) Loading
(b) Decantation
(c) Sedimentation
(d) Filtration
(iv) What is a saturated solution?
(a) A solution with very little solute.
(b) A solution that cannot dissolve more solute at a given temperature.
(c) A solution with equal amounts of solute and solvent.
(d) A solution with the highest solubility.
(v) How does temperature affect the solubility of a solute in a solvent?
(a) It decreases solubility.
(b) It has no effect on solubility.
(c) It increases solubility.
(d) It changes the color of the solution.
Q2: Fill in the Blanks
(i) Separation of different-sized solid particles is achieved through a process called _______________.
(ii) Immiscible liquids can be separated using the method of _______________.
(iii) Sedimentation allows the separation of undissolved solid particles from a liquid, where the solid particles settle at the _______________ of the container.
(iv) The process of separating salt from seawater is known as _______________.
(v) Loading is used to separate tiny, suspended solid particles in a liquid by adding a substance like _______________.
Q3: Match the Column (In a Table)
Match the processes on the left with their descriptions on the right.
Q4: True or False
(i) Sedimentation allows the separation of dissolved solid particles from a liquid.
(ii) Loading is used to separate tiny, suspended solid particles in a liquid.
(iii) Immiscible liquids are liquids that mix together to form a single layer.
(iv) Solubility increases with a decrease in temperature.
(v) Decantation is used to separate solid particles based on their size.
You can access the solutions to this worksheet here.
The document Separation of Substances Class 6 Worksheet Science Chapter 3 is a part of the Class 6 Course Eureka Plus Class 6: Book Solutions, Notes & Worksheets.
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FAQs on Separation of Substances Class 6 Worksheet Science Chapter 3
| 1. What is the process of separation of substances? |  |
Ans.The separation of substances is a process used to divide a mixture into its individual components. This can be done using various methods such as filtration, evaporation, distillation, and handpicking, depending on the nature of the mixture.
| 2. Why is it important to separate substances? | |
Ans.Separating substances is important for several reasons. It allows us to purify materials, recover valuable components, and helps in the preparation of different substances for various uses in everyday life, such as cooking and cleaning.
| 3. What are some common methods used for separating mixtures? | |
Ans.Common methods for separating mixtures include filtration, where solids are separated from liquids; evaporation, where a liquid is turned into vapor to leave solid components behind; and distillation, which separates liquids based on different boiling points.
| 4. Can you give an example of separation of substances in daily life? | |
Ans.An example of separation of substances in daily life is when we make tea. We boil water, add tea leaves, and then use a strainer to separate the tea leaves from the liquid, resulting in a clear cup of tea.
| 5. What is the difference between a mixture and a compound? | |
Ans.A mixture is a combination of two or more substances that retain their individual properties, while a compound is a substance formed when two or more elements chemically combine in fixed ratios, resulting in a substance with different properties from the original elements.
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