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प्रश्न
Name the property which enables metals to be drawn into wires.
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उत्तर
Ductility is the property of metals that enables them to be drawn into wires.
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संबंधित प्रश्न
Select the correct alternative
The molecules can move freely anywhere in
- gases
- liquids
- solids
- none of the above
Solids have definite shape and definite volume.
When a gas jar containing air is inverted over a gas jar containing bromine vapour, the red-brown bromine vapour diffuse into air. Explain how bromine vapour diffuse into air.
Name a metal which is soft and a non-metal which is hard.
Name a liquid which can be classified as a pure substance and conducts electricity.
Name a metal which can be easily cut with a knife.
State whether the following statement is true or false :
Sponge is an example of solid sol.
What is the difference between solutions and colloids ?
Classify the following into solutions, suspensions and colloids :
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State whether the following statement are true or false :
Salt and water can be recovered from an aqueous salt solution by the process of evaporation.
Name the process which can be used to recover salt from an aqueous salt solution.
What is the general name of the process by which tea-leaves are separated from prepared tea ?
How will you separate water from mustard oil ?
How is cream separated from milk ?
Draw a labelled diagram of the fractional distillation apparatus used for separating a mixture of alcohol and water.
Name the metals that are used in jewellery.
______ is so hard that it can scratch glass.
Boiling refers to the process by which a substance changes from the liquid to the gaseous state at its ______ point.
Define the term matter.
