Class 6 Science Chapter 9 Methods of Separation in Everyday Life MCQ Practice

01 Science

Which method is best to separate iron pins from rice?

A handpicking if visible, or magnet if mixed with iron pieces

B evaporation only

C churning only

D boiling only

02 Science

Which separation method is most suitable first for muddy pond water?

A sedimentation

B handpicking

C winnowing

D magnetic separation

03 Science

Filter paper is used in:

A filtration

B winnowing

C handpicking

D churning

04 Science

Filtration can separate insoluble solids from liquids.

A True

B False

05 Science

Which statement is correct for winnowing?

A lighter particles are blown away

B dissolved salt is recovered

C iron is lifted by a magnet

D curd becomes butter always

06 Science

Which statement about magnetic separation is correct?

A it works when one component is magnetic

B it works for all dissolved substances

C it works only for liquids

D it is the same as winnowing

07 Science

Why may filtration be better than only decantation for muddy water?

A filter can remove finer suspended particles

B decantation removes dissolved salt

C filtration changes liquid to gas

D decantation is impossible always

08 Science

Why is a magnet useful only for some solid mixtures?

A only magnetic ??????/components respond to it

B every material is magnetic

C magnets dissolve solids

D magnets separate liquids by colour

09 Science

Why is separation useful before cooking grains?

A unwanted materials can be removed for safety and cleanliness

B grains become magnets

C it changes grain colour

D it always dissolves grains

10 Science

Which method works best when one solid is lighter and carried away by air?

A winnowing

B evaporation

C decantation

D sieving only