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प्रश्न
What is the effect of temperature on the solubility of solids in liquids ?
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उत्तर
Solubility of solids in liquids generally increases on increasing the temperature and decreases on decreasing the temperature of the solvent.
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संबंधित प्रश्न
Select the correct alternative
The molecules can move freely anywhere in
- gases
- liquids
- solids
- none of the above
Define the following term of Matter .
Define the following term of Atom .
Fill in the blank
All matter is made up of tiny particles called ______
A kind of matter which can sublime is
Name two processes which provide the best evidence for the motion of particles in matter.
Name the property which enables metals to be drawn into wires.
What elements do the following compounds contain ?
Sugar, Common salt
State two physical properties on the basis of which metals can be distinguished from non-metals.
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
Classify the following into elements, compounds and mixtures :
arble, Air, Gold, Brass, Sand, Diamond, Graphite, Petroleum, Common salt, Sea-water, Chalk
In what respects does a true solution differ from a colloidal solution ?
Milk of Magnesia is :
How is the impurity of iron present in several substances removed in industries ?
Explain how, impure copper sulphate can be purified by crystallisation.
Which of the following cannot be separated from air by the process of fractional distillation ?
Explain the meaning of the term matter with special reference to the term ‘substance’.
Differentiate between the-two characteristics of matter – ‘mass’ & ‘weight’.
Which among the following is not a matter?
Boiling refers to the process by which a substance changes from the liquid to the gaseous state at its ______ point.
