Define winnowing.

Important Questions on Separation of Substances

MEDIUM

6th CBSE

IMPORTANT

Awareness Science For Sixth Class>Chapter 5 - Separation of Substances>Short Answer Type Questions>Q 32

State one use of the method of winnowing.

EASY

6th CBSE

IMPORTANT

Awareness Science For Sixth Class>Chapter 5 - Separation of Substances>Short Answer Type Questions>Q 32

Give one use of the handpicking method of separating mixtures in daily life.

HARD

6th CBSE

IMPORTANT

Awareness Science For Sixth Class>Chapter 5 - Separation of Substances>Short Answer Type Questions>Q 33

How will you separate a mixture of common salt, sand and iron filings?

MEDIUM

6th CBSE

IMPORTANT

Awareness Science For Sixth Class>Chapter 5 - Separation of Substances>Short Answer Type Questions>Q 34

Name the method which can be used to separate: sand and water from their mixture.

EASY

6th CBSE

IMPORTANT

Awareness Science For Sixth Class>Chapter 5 - Separation of Substances>Short Answer Type Questions>Q 34

Name the method which can be used to separate iron nails from sawdust.

MEDIUM

6th CBSE

IMPORTANT

Awareness Science For Sixth Class>Chapter 5 - Separation of Substances>Short Answer Type Questions>Q 35

How do jewellers separate the pearls of different sizes?

MEDIUM

6th CBSE

IMPORTANT

Awareness Science For Sixth Class>Chapter 5 - Separation of Substances>Short Answer Type Questions>Q 36

How is the impurity of iron present in several substances removed in industries?

MEDIUM

6th CBSE

IMPORTANT

Awareness Science For Sixth Class>Chapter 5 - Separation of Substances>Long Answer Type Questions>Q 37

What is a mixture? Give five examples of mixtures. Why do we call sea-water a mixture?