Separating Funnel
Trending Questions
What methods would you use to separate a mixture of camphor, salt and sand?
Winnowing, chromatography, evaporation
Sublimation, sedimentation, evaporation
Evaporation, hand-picking, sublimation.
Sedimentation, distillation, sublimation
State the principle of the process of centrifugation. List any three applications of centrifugation.
The liquids which do not dissolve in water are called
Water and paraffin wax can be separated easily, because:
paraffin does not dissolve in water
paraffin dissolves in water
paraffin floats on water
paraffin sinks in water
Define Centrifugation.
What process is used for separating heterogeneous mixtures of insoluble solids in a liquid?
Filtration
Crystallization
Fractional distillation
Sublimation
Question 3
Which of the following mixtures would you be able to separate using the method of filtration?
(a) Oil in water
(b) Cornflakes in milk
(c) Salt in water
(d) Sugar in milk
Name one mixture each of the following which can be separated by centrifugation.
A mixture of milk and groundnut oil can be separated by ___.
Separating funnel
Sublimation
Centrifugation
Fractional distillation
On what principle sublimation and chromatography is based
The process used for separating heterogeneous mixtures of insoluble solid-in-liquid is called
Define centrifugation.
Which among the following method is preferred for separating a mixture of sodium chloride and sand using water?
Distillation
Evaporation
Filtration
Sedimentation
___ is used to separate water from wet clothes in washing machines.
If we take two immiscible liquids of the same density and if we mix them together, what will happen which liquid will settle down or float on the other, or it does not do any of these. If it does not do any of these, then what does it do?
In villages, we see women separating the grains from the chaff by throwing the grains from a certain height to fall back into a vessel. What is this process called? Explain. [3 MARKS]
An emulsion is a heterogeneous mixture that consists of small solid particles suspended in a liquid.
- True
- False
The mixture of oil and water is allowed to settle for a while. What will be our final observation?
Forms a solution
Forms a colloid
Forms different layers
Forms an emulsion
Kavita uses processes P and Q for the separation of a mixture containing iron filings, oil and water. Process P is used in the separation of iron filings and process Q is used to separate of oil and water from the mixture Identify P and Q.
- P:- Distillation, Q:- Filtration
- P:- Filtration, Q:- Separating funnel
- P:- Chromatography, Q:- Distillation
- P:- Distillation, Q:- Separating funnel
A mixture of iron nails, oil, water, tea leaves and salt is provided to you. Give step-wise instructions to separate each component from the mixture? [5 MARKS]
Rashi found wheat grains mixed with powdered dry leaves. How can she separate the two of them easily? Explain the whole mechanism in detail. [5 MARKS]
You put a camphor tablet out in the air and forget about it. After a few hours, you suddenly remember that you had to put it back into the packet. But now when you check the tablet, you observe that it has become very small in size. How do you think this happened?
Distillation
Sublimation
Centrifugation
Chromatography
Which of the following can be used to separate a mixture of kerosene and water?
- Separating funnel
- Centrifugation
- Distillation
- Fractional distillation
Think about a method by which chalk and water or even clay and water can be separated.
Filtration
Crystallization
Sublimation
Fractional distillation
A vendor selling juice uses a strainer to separate the pulp from the juice. The method of separation used by him is
Explain the centrifugation method for the separation of mixtures.
Question 20
A mixture of iron nails, salt, oil and water is provided to you. Give stepwise methods to separate each component from this mixture?
