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प्रश्न
Compare the properties of metals and nonmetals. Give three examples for each.
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उत्तर
| Sr. No. | Metals | Non-Metals |
| 1. | Metals are lustrous. They have a shiny | Non metals are non lustrous. They |
| 2. | surface | have non- shiny surface |
| 3. | Metals are generally hard | Non-metals are generally soft |
| 4. | Most metals are bendable | Non-metals are non bendable |
| 5. | Most metals can be bent, beaten into sheets and they can drawn into wires | Non-metals are non ductile |
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संबंधित प्रश्न
Fill in the following blank with suitable word:
The electrical conductivity and melting point of an alloy is ........... than that of pure metals.
Explain how, a reduction reaction of aluminium can be used for welding cracked machine parts of iron. Write a chemical equation for the reaction involved.
Mention two uses of the following metals and non-metals
Aluminium
Give reasons
Graphite is used in the leads of pencils
Statements given below are incorrect. Write the correct statements :
Zinc is used for making power transmission wires.
Write name.
Molecular formula of the common ore of aluminium.
Name the following:
A metal used in packaging.
Name the following:
A metal used in flexible pipes.
An element which is always lustrous, malleable and ductile is ______.
Give an example of a metal which
- is liquid at room temperature.
- is the best conductor of heat.
