What type of mixture is a heap of wheat?

Important Questions on Separation of Substances

EASY

6th CBSE

IMPORTANT

Science Based on the Rationalised NCERT Content>Chapter 3 - Separation of Substances>Oral Questions>Q 3

The sample of a substance has a fixed melting point. Is this substance pure?

EASY

6th CBSE

IMPORTANT

Science Based on the Rationalised NCERT Content>Chapter 3 - Separation of Substances>Oral Questions>Q 4

How does the boiling point of water change when common salt is dissolved in it?

EASY

6th CBSE

IMPORTANT

Science Based on the Rationalised NCERT Content>Chapter 3 - Separation of Substances>Oral Questions>Q 5

Name a property which is used for checking the purity of a sample.

EASY

6th CBSE

IMPORTANT

Science Based on the Rationalised NCERT Content>Chapter 3 - Separation of Substances>Oral Questions>Q 1

Which method of separation is used for separating small pieces of stones and insects from foodgrains?

EASY

6th CBSE

IMPORTANT

Science Based on the Rationalised NCERT Content>Chapter 3 - Separation of Substances>Oral Questions>Q 2

Name the machine used for separating grains from sun-dried stalks.

EASY

6th CBSE

IMPORTANT

Science Based on the Rationalised NCERT Content>Chapter 3 - Separation of Substances>Oral Questions>Q 3

Name the process of separating grains from husk and hay with the help of wind.

EASY

6th CBSE

IMPORTANT

Science Based on the Rationalised NCERT Content>Chapter 3 - Separation of Substances>Oral Questions>Q 4

Which method is employed for separating coarse particles of an insoluble solid from water? 

MEDIUM

6th CBSE

IMPORTANT

Science Based on the Rationalised NCERT Content>Chapter 3 - Separation of Substances>Oral Questions>Q 5

Generally, a chemical is used to make the finer suspended particles settle down quickly. Name the chemical and the process.