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प्रश्न
State any five physical properties of metals.
उत्तर
Five physical properties of metals are:
- Metals are malleable and ductile.
- Metals are good conductors of heat and electricity.
- Metals are lustrous (shiny) and can be polished.
- Metals are solids at room temperature (except mercury, which is liquid).
- Metals are tough and strong.
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संबंधित प्रश्न
Name one metal and one non-metal which exist in liquid state at room temperature.
Name two metals which are used for making jewellery and to decorate sweets.
Name the non-metal which is used to preserve food materials.
Define non-metals. Give five examples of non-metals.
Name a non-metal that is used for filling into electric bulbs
State two important uses of following non-metal
Uses of graphite
Name a liquid non-metal.
Complete the statement given below, by filling in the blank with the correct word:
A non-metal which allows an electric current to pass through it ______.
Give reason for the following:
Potassium reacts vigorously with cold water while copper does not react with water or steam.
A form of non-metal which has high ductility is
