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Class 6 Exam  >  Class 6 Tests  >  Olympiad Test: Sorting and Separation of Materials - 4 - Class 6 MCQ

Olympiad Test: Sorting and Separation of Materials - 4 - Class 6 MCQ


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10 Questions MCQ Test - Olympiad Test: Sorting and Separation of Materials - 4

Olympiad Test: Sorting and Separation of Materials - 4 for Class 6 2024 is part of Class 6 preparation. The Olympiad Test: Sorting and Separation of Materials - 4 questions and answers have been prepared according to the Class 6 exam syllabus.The Olympiad Test: Sorting and Separation of Materials - 4 MCQs are made for Class 6 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Olympiad Test: Sorting and Separation of Materials - 4 below.
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Olympiad Test: Sorting and Separation of Materials - 4 - Question 1
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Vinegar is a solution of acetic acid in water. What kind of mixture is vinegar?

Detailed Solution for Olympiad Test: Sorting and Separation of Materials - 4 - Question 1

Acetic acid and water are miscible liquids.

Olympiad Test: Sorting and Separation of Materials - 4 - Question 2
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Direction: The following flow chart which gives the techniques a student adopted to separate the constituents of a mixture. 

What could the mixture be?

Detailed Solution for Olympiad Test: Sorting and Separation of Materials - 4 - Question 2

It is a mixture of chalk powder, sugar and water. The chalk powder gets separated from sugar water by filtration. Later, sugar from sugar water is separated by distillation.

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Olympiad Test: Sorting and Separation of Materials - 4 - Question 3
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The following flow chart which gives the techniques a student adopted to separate the constituents of a mixture. 

What could R be?

Detailed Solution for Olympiad Test: Sorting and Separation of Materials - 4 - Question 3

The correct answer is A: Sugar.

- The separation technique shown is crystallization, used to separate solids from a solution.
- Sugar can be separated from a sugar-water solution through crystallization.
- In this process, the sugar is dissolved in water, heated to dissolve more sugar, then cooled to allow sugar crystals to form and separate.
- Chalk powder, glass, and oxygen cannot be separated using crystallization.
R should be a substance which is soluble in water i.e., sugar.

Olympiad Test: Sorting and Separation of Materials - 4 - Question 4
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The following flow chart which gives the techniques a student adopted to separate the constituents of a mixture. 

What is substance Q?
Detailed Solution for Olympiad Test: Sorting and Separation of Materials - 4 - Question 4

Q should be a substance that is solid and insoluble in water i.e., chalk powder.

  • a) Sugar: Sugar is soluble in water, so it would not be separated by filtration. It would pass through the filter as part of the solution.
  • b) Chalk powder: Chalk powder is insoluble in water and would be retained as a solid on the filter paper during filtration.
  • c) Oxygen: Oxygen is a gas and would not be separated by filtration in this context.
Olympiad Test: Sorting and Separation of Materials - 4 - Question 5
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A Identify the mixture from the following.
Detailed Solution for Olympiad Test: Sorting and Separation of Materials - 4 - Question 5

Air is mixture of many gases and water vapours. The components of air are not chemically combined with one another.

Olympiad Test: Sorting and Separation of Materials - 4 - Question 6
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Study the given table showing some daily used items which can be made from more than one material.

Which of these are incorrect?
Detailed Solution for Olympiad Test: Sorting and Separation of Materials - 4 - Question 6

Cooking pot cannot be made from wood and plastic. LPG cylinder cannot be made from wood, plastic and glass but it can be made from metal. Besides, tea cups are generally made of glass, ceramic and porcelain, etc.

Olympiad Test: Sorting and Separation of Materials - 4 - Question 7
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Read the given statements and select the correct option.
Statement 1 : Handles of cooking utensils are made up of metals like copper, aluminium, etc.
Statement 2 : Metals are poor conductors of heat.
Detailed Solution for Olympiad Test: Sorting and Separation of Materials - 4 - Question 7

Handles of cooking utensils are generally made up of plastic because plastic is a poor conductor of heat due to which the handles do not get heated and we can easily hold the utensils. Metals are good conductors of heat.

Olympiad Test: Sorting and Separation of Materials - 4 - Question 8
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A science teacher labelled three glass slides as P, Q and R. She painted slide Q with light blue colour, slide R with black colour and slide P was left as such. Then she asked students to put the slide on a white paper having (X) mark on it. Students will be able to see the mark partially
Detailed Solution for Olympiad Test: Sorting and Separation of Materials - 4 - Question 8

Slide P is transparent, Q is translucent and R is opaque.

Olympiad Test: Sorting and Separation of Materials - 4 - Question 9
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Study the given flow chart carefully.

P, Q and R could be respectively
Detailed Solution for Olympiad Test: Sorting and Separation of Materials - 4 - Question 9

Olympiad Test: Sorting and Separation of Materials - 4 - Question 10
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Observe the given figures carefully.

Identify X and Y respectively.
Detailed Solution for Olympiad Test: Sorting and Separation of Materials - 4 - Question 10

Process X depicts the separation of grain from stalks. In this process, the stalks are beaten to free the grain seeds, hence it is threshing. Process Y depicts the separation of heavier and lighter components of a mixture by wind. Hence, this process is winnowing.

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