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प्रश्न
Name a non-metal which is a good conductor of electricity.
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उत्तर
Graphite is a non-metal that is a good conductor of electricity.
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संबंधित प्रश्न
Intermolecular space is maximum in .......... less in ............ and the least in .........
Name the terms for the change of a solid into liquid.
Fill in the blank
Any matter which has a definite _______ but no definite shape is called a _______
The best evidence for the existence and movement of particles in liquids was provided by :
Bromine and air take about 15 minutes to diffuse completely but bromine diffuses into a vacuum very rapidly. Why is this so?
Which of the following is a mixture ?
Salt, Air, Water, Alum, Sugar
Name a non-metal which is a good conductor of electricity.
The elements which normally exist in the liquid state are :
What is the most common way of expressing the concentration of a solution ?
Classify the following into true solutions and colloidal solutions:
Ink, Salt solution, Starch solution, Blood, Sugar solution
How will you test whether a given solution is a colloidal solution ?
Explain what happens when a beam of light is passed through a colloidal solution.
Define the emulsion. Give one example.
What is a colloid ? Give two examples of colloids (or colloidal solutions)
One of the following represents the solution of solid in a solid. This one is :
Name the property of one of the constituents which can be used to separate a mixture of salt and iodine
Name the source from which nitrogen and oxygen are obtained on a large scale.
Gases change to liquid by the process of ______.
Define the term matter.
