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प्रश्न
Give a reason for the following statement :
Centrifugation can be used for separating an insoluble heavier solid, present in an – insoluble solid-liquid mixture.
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उत्तर
Centrifugation is a fast method to separate suspended (heavier) insoluble solid from a lighter liquid by rotating the mixture fast. Heavier solid settles down at the bottom.
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संबंधित प्रश्न
Differentiate between:
pure and impure substances
Fill in the blank
A ________ substance has only one kind of matter.
Why is filtration a better technique than sedimentation and decantation ?
Explain with a diagram the process used to – separate the following substance from the given mixture.
Potassium nitrate from a mixture of – potassium nitrate & potassium chlorate.
Give a reason for the following statement :
Components in a mixture can be separated by physical methods only.
Very Short Answer Type Question:
You are given a mixture of salt and sand. Can you separate them by picking?
How can you separate a large quantity of tiny bits of paper mixed with pulses/dal?
Paheli asked for a glass of water from Boojho. He gave her a glass of ice cold water. Paheli observed some water droplets on the outer surface of the glass and asked Boojho how these droplets of water were formed. Which of the following should be Boojho’s answer?
State whether the following statement is true or false.
A mixture of oil and water can be separated by filtration.
You are provided with a mixture of salt, sand, oil and water. Write the steps involved for the separation of salt, sand and oil from the mixture by giving an activity along with the diagram.
