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प्रश्न
Fill in the blank :
The state of matter with definite volume and definite shape is called______
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उत्तर
The state of matter with definite volume and definite shape is called solid.
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संबंधित प्रश्न
Name the processes involved in two cases.
All kinds of matter
Out of solids, liquids and gases, which one has :
- maximum movement of particles ?
- maximum interparticle attractions ?
- minimum spaces between particles ?
During respiration, glucose and oxygen enter our body cells and waste products carbon dioxide and water leave the body cells by the process of :
Which of the following are not compounds ?
Chlorine gas, Potassium chloride, Iron powder, Iron sulphide, Aluminium foil, Iodine vapour, Graphite, Carbon monoxide, Sulphur powder, Diamond
The element which is not common between the compounds called baking soda and soda ash is
The elements which normally exist in the liquid state are :
Which of the following is a sol ?
Shaving cream, Milk, Fog, Soap solution, Hairspray
Define solubility of a substance. How does it vary with temperature ?
How would you prepare a saturated solution of sodium chloride in water at 25°C ? What will happen if this solution is cooled to 10°C ?
Name the process which is used in milk dairies to separate cream from milk.
How will you separate camphor, common salt and iron nails from their mixture ?
Which method is better for recovering sugar from sugar solution : evaporation or crystallisation ? Give reason
for your answer.
Pure copper sulphate can be obtained from an impure sample by the process of :
One of the following does not undergo sublimation. This one is :
The given mixture contains three constituents A, B and C. The constituent A is a yellow coloured, solid element which dissolves in a liquid D. The constituent B is a blue coloured salt which is insoluble in liquid D but dissolves easily in another liquid E. The constitudent C is a liquid which is used in cooking food and forms a solid fat on hydrogenation.
(a) What do you think could (i) constituent A, and (ii) liquid D be ?
(b) What could (i) constituent B, and (ii) liquid E be ?
(c) What could liquid C be ?
(d) How will you separate the mixture containing A, B and C ?
Non-metals are usually poor conductors of heat and electricity. They are non-lustrous, non-sonorous, non-malleable and are coloured.
Name a non-metal which exists as a liquid at room temperature.
In Aerosol the dispersed phase is liquid and the dispersion medium is gas.
Compressibility of solids: ______.
