MCQ on Separation of Substances

CBSE 6th Class MCQ CBSE NCERT 6th class MCQ on Science

11- In ………………….method, the heavier component in a mixture can be separated after adding water to it.

(A) None of the below

(B) Filtration

(C) Decantation

(D) Sedimentation

 

12- When the dusty water is removed from the mixture that process is called …………….

(A) filtration

(B) sieving

(C) sedimentation

(D) decantation

 

13- Oil and water can be separated by ………………….method.

(A) decantation

(B) sedimentation

(C) filtration

(D) none of the above

 

14- Which of the following method is used for separating tea leaves from prepared tea?

(A) Decantation

(B) Filtration

(C) Sedimentation

(D) Condensation

 

15- Which of the following can be separated by using filtration paper?

  1. Fruits and vegetables juice
  2. Muddy water
  3. Oil from water
  4. Cottage cheese

(A) All the options are correct

(B) Option 1, 2 and 3 are correct

(C) Option 1, 2 and 4 are correct

(D) None of the above

 

16- The process of conservation of water into its vapour is called …………………..

(A) decantation

(B) condensation

(C) evaporation

(D) none of the above

 

17- The process of evaporation is a continuous process wherever ………………is present.

(A) water

(B) air

(C) oil

(D) sand

 

18- We obtain ……………….from water when sea water is allowed to sand in shallow pit.

(A) soil

(B) salt

(C) water

(D) oxygen

 

19- Which of the following substance can be separated through decantation or filtration?

(A) oil

(B) salt

(C) sand

(D) both A and C

 

20- The process of conversion of water vapour into its liquid form is called ……………..

(A) decantation

(B) sedimentation

(C) evaporation

(D) condensation

 

ANSWERS:

11-(D), 12-(D), 13-(A), 14-(B), 15-(C), 16-(C), 17-(A), 18-(B), 19-(D), 20-(D)