Class 6 Science Chapter 5: Separation of Substances Worksheet

Multiple Choice Question

Question 1
Husk is separated from heavier seeds of grain
a. winnowing
b. Hand picking
c. sieving
d. None of the above

Question 2
Which of the following properties can affect dissolution of sugar in water?
a. Quantity of Sugar
b. Temperature
c. Type of water
d. Amount of sugar dissolved

Question 3
Which technique is used to purify dirty water?
a. Centrifugation
b. Evaporation
c. Sedimentation
d. Decantation

Question 4
Four mixtures are given below
(i) Kidney beans and chick peas
(ii) Pulses and rice
(iii) Rice flakes and corn
(iv) Potato wafers and biscuits
Which of these can be separated by the method of winnowing?
(a) (i) and (ii)
(b) (ii) and (iii)
(c) (i) and (iii)
(d) (iii) and (iv)

Question 5
A solution is said to be _______ if it cannot dissolve more of the substance in it.
a. Saturated
b. Unsaturated
c. Homogeneous
d. Hetrogenous

Question 6
Statement A: A mixture of cement and pebbles can be separated by using the sieve with small pores
Statement B: A sieve with small pores will allow only small cement particles to pass through and will hold back the pebbles
a. Statement A is true only
b. Statement B is true only
c. Both are false
d. Both are true

Question 7
A mixture of salt, sand, oil and water is given ,which of these sequence can be used to separate salt
a. Decantation -> Filtration -> Evaporation
b. Filtration -> Evaporation -> Condensation
c. Filtration -> boiling ->Decantation
d. None of the above
Answer
1. a
2. b and d
3. c
4. d
5. a
6. d
7. a

Match the column

A.


B.


Answers

A.

B.

Short Questions

1. What is the below picture depict

a. Evaporation and condensation
b. Filtration and Evaporation
c. Decantation and condensation
d. None of these

2. Which of these is false
a. A mixture of oil and water can be separated by filtration
b. A mixture of iron filings and rice flour can be separated by magnet
c. Flour mixed with wheat grains can be separated using Sieving
d. A mixture of sand and water be separated using sedimentation and Decantation

3 What is the method used to separate cream from milk?

4. Separating funnel is used for separation two miscible liquid. True of false?

Answer
1. a
2. a
3. Centrifugation
4. False

JUMBLED word

a. IATMIESDNETNO
b. NHCIUGNR
c. MPIITERSIU
d. MTURXIE
Answer
a.Sedimentation
b. Churning
c.impurities
d. Mixture

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• Notes
  • Separation of Substance Class 6 Notes
• Assignments And NCERT Solutions
  • Separation of Substance NCERT Solution
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Class 6 Maths Class 6 Science

Practice Question

Question 1 What is $\frac {1}{2} + \frac {3}{4}$ ?
A)$\frac {5}{4}$
B)$\frac {1}{4}$
C)$1$
D)$\frac {4}{5}$
Question 2 Pinhole camera produces an ?
A)An erect and small image
B)an Inverted and small image
C)An inverted and enlarged image
D)None of the above

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