Advertisements
Advertisements
प्रश्न
Name the process you would use to separate a mixture of water and alcohol.
Advertisements
उत्तर
We would use the process of distillation to separate a mixture of water and alcohol.
APPEARS IN
संबंधित प्रश्न
Intermolecular force of attraction is maximum in ............ less in .......... and the least in .............
All kinds of matter
Which of the following materials fall in the category of a “pure substance”?
- Ice
- Milk
- Iron
- Hydrochloric Acid
- Calcium oxide
- Mercury
- Brick
- Wood
- Air
What is the scientific name of particles which make up mater?
What are pure substances ? Give two examples of pure substances.
What are the two types of pure substances? Give one example of each type.
State whether colloidal solutions are homogeneous or heterogeneous.
A solution contains 5.6 mL of alcohol mixed with 75 mL of water. Calculate the concentration of this solution.
Choose one term from the following which includes the other three :
aerosol, emulsion, colloid, sol
Fill in the following blank :
A colloid is a ..............mixture and its components can be separated by the technique known as ...............
How will you differentiate between a suspension and a colloid ?
Which of the following can be called a suspension ?
Name the process by which common salt is purified.
How would you obtain sodium chloride from a mixture of sodium chloride and sulphur without using water ?
The dyes present in fountain pen ink can be separated by the technique of :
There are three liquids A, B and C, all having different densities and different boiling points. Liquids A and C are organic in nature whereas liquid B is considered to be inorganic. When liquids A and B are put together in a container, they form a single layer. On the other hand, when, liquids B and C are mixed, they form two separate layers :
(a) Which process will you use to separate a mixture of A and B ?
(b) Which method will you use to separate a mixture of B and C ?
(c) Name the liquids which would behave like (i) A (ii) B and (iii) C.
Atoms or groups of atoms having a charge are called ______.
The physical state of water at 373 K is ______.
Gases do not diffuse very easily.
Evaporation is always accompanied by ______ in temperature.
