9 Questions
What is the process called when fine particles are separated from larger particles using a sieve?
Sieving
In magnetic separation, what kind of substances can be separated using a magnet?
Magnetic substances
What is the method called where heavier and lighter components of a mixture are separated by wind or blowing air?
Winnowing
How is sublimation used to separate mixtures?
By heating the mixture and allowing one solid component to sublime while the other does not.
Where is magnetic separation commonly used?
In separating magnetic substances from non-magnetic substances.
What type of substances can be separated using sieving?
Fine particles from larger particles
What is removed from wheat using sieving before grinding?
Impurities like stones
How do farmers use winnowing?
To separate lighter husk particles from heavier seeds or grain.
What is the purpose of inserting a cotton plug in the inverted funnel during sublimation?
To prevent the escape of the sublimed gas.
Test your knowledge of magnetic separation, a method involving the separation of magnetic substances from non-magnetic substances using a magnet. Learn about how this technique is useful for certain materials affected by magnets and its applications in various industries.
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