Match column I with column II and select the correct option from the given codes. Column I Column II P. A mixture having the same composition and properties throughout (i) Sediment Q. A mixture, different parts of which have different compositions and properties (ii) Supernatant liquid R. The solid that settles when a heterogeneous solid-liquid mixture is allowed to stand (iii) Homogeneous mixture S. The liquid above the solid settling from a heterogeneous solid-liquid mixture (iv) Heterogeneous mixture

P - (iii) Q - (iv) R - (i) S - (ii)

P - (ii) Q - (iv) R - (iii) S - (i)

P - (i) Q - (iii) R - (ii) S - (iv)

P - (iii) Q - (iv) R - (ii) S - (i)

Match column I with column II and select the correct option from the given codes. Column I Column II P. Chalk-water mixture (i) A gaseous mixture Q. Glucose Solution (ii) A solid-gas R. Fizzy drink (iii) A homogeneous solid-liquid mixture S. Smoke (iv) A heterogeneous solid-liquid mixture T. Air (v) A gas-liquid mixture

P - (iv) Q - (iii) R - (v) S - (ii) T - (i)

P - (iii) Q - (iv) R - (v) S - (i) T - (ii)

P - (v) Q - (iii) R - (iv) S - (ii) T - (i)

P - (ii) Q - (i) R - (iv) S - (v) T - (iii)

Study the given table showing some daily used items which can be made from more than one material. Item Wood Plastic Metal Glass (i) Cooking pot ✓ ✓ X X (ii) Storage container ✓ ✓ ✓ ✓ (iii) LPG cylinder ✓ ✓ X ✓ (iv) Tea cup ✓ ✓ ✓ X Which of these are incorrect?

( i ) , ( i i i ) and ( i v ) only

HARD

6th Foundation

IMPORTANT

Earn 100

Select an incorrect reason for separating components of a mixture.

50% studentsanswered this correctly

Important Questions on Sorting and Separation of Materials

HARD

6th Foundation

IMPORTANT

NSO Science Olympiad Workbook Grade 6>Chapter 3 - Sorting and Separation of Materials>EXERCISES>Q 5

Match column I with column II and select the correct option from the given codes.

	Column I		Column II
P.	A mixture having the same composition and properties throughout	(i)	Sediment
Q.	A mixture, different parts of which have different compositions and properties	(ii)	Supernatant liquid
R.	The solid that settles when a heterogeneous solid-liquid mixture is allowed to stand	(iii)	Homogeneous mixture
S.	The liquid above the solid settling from a heterogeneous solid-liquid mixture	(iv)	Heterogeneous mixture

EASY

6th Foundation

IMPORTANT

NSO Science Olympiad Workbook Grade 6>Chapter 3 - Sorting and Separation of Materials>EXERCISES>Q 6

Take

10 m L

of water in

6

test tubes and add different samples of substances to each test tube as shown in the given figure. Shake the test tubes vigorously for a couple of seconds and leave them undisturbed. In which of these test tubes, sample substances will remain insoluble in water?
Question Image

EASY

6th Foundation

IMPORTANT

NSO Science Olympiad Workbook Grade 6>Chapter 3 - Sorting and Separation of Materials>EXERCISES>Q 7

Three groups of materials are given below:
I : Salt, sugar, flour
II : Copper, gold, silver
III : Petrol, kerosene, paper
Identify the property common to each group.

	$I$	$II$	$III$
(A)	Solid	Bad conductors of heat	Liquid
(B)	Edible	Non-metallic	Non- inflammable
(C)	Edible	Metallic	Inflammable
(D)	Solid	Good conductors of heat	Non- inflammable

HARD

6th Foundation

IMPORTANT

NSO Science Olympiad Workbook Grade 6>Chapter 3 - Sorting and Separation of Materials>EXERCISES>Q 8

Match column I with column II and select the correct option from the given codes.

	Column I		Column II
P.	Chalk-water mixture	(i)	A gaseous mixture
Q.	Glucose Solution	(ii)	A solid-gas
R.	Fizzy drink	(iii)	A homogeneous solid-liquid mixture
S.	Smoke	(iv)	A heterogeneous solid-liquid mixture
T.	Air	(v)	A gas-liquid mixture

MEDIUM

6th Foundation

IMPORTANT

NSO Science Olympiad Workbook Grade 6>Chapter 3 - Sorting and Separation of Materials>EXERCISES>Q 9

A few statements about the centrifugation method are given:
I. The mixture containing very small suspended particles is rotated at a high speed in a centrifuge machine.
II. The denser particles stay at the top.
III. The method is used to separate water from wet clothes in a washing machine.
IV. The method can be used in laboratories for separating plasma and platelets.
The correct statements are:

MEDIUM

6th Foundation

IMPORTANT

NSO Science Olympiad Workbook Grade 6>Chapter 3 - Sorting and Separation of Materials>EXERCISES>Q 10

Shobha took two liquids (coconut oil and water) in a separating funnel as shown in the figure. What would she observe after some time?
Question Image

MEDIUM

6th Foundation

IMPORTANT

NSO Science Olympiad Workbook Grade 6>Chapter 3 - Sorting and Separation of Materials>EXERCISES>Q 11

Study the given table showing some daily used items which can be made from more than one material.

	Item	Wood	Plastic	Metal	Glass
(i)	Cooking pot	$✓$	$✓$	$X$	$X$
(ii)	Storage container	$✓$	$✓$	$✓$	$✓$
(iii)	LPG cylinder	$✓$	$✓$	$X$	$✓$
(iv)	Tea cup	$✓$	$✓$	$✓$	$X$

Which of these are incorrect?

HARD

6th Foundation

IMPORTANT

NSO Science Olympiad Workbook Grade 6>Chapter 3 - Sorting and Separation of Materials>EXERCISES>Q 12

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 clearly (or partially):

Select an incorrect reason for separating components of a mixture.

Important Questions on Sorting and Separation of Materials

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