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प्रश्न
State why telegraph poles are painted with aluminium paint.
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उत्तर
Aluminium paint is applied on telegraph poles because it act as an anti corrosive paint.
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संबंधित प्रश्न
Give reasons for the following.
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What happens when Dilute sulphuric acid is poured on a copper plate?
Write word equations of the reactions involved.
Which property of graphite is utilised in making electrodes?
State one use of the following metal:
Copper
State one use of the following metal:
Aluminium
What is an alloy?
Mention two uses of the following metals and non-metals
Aluminium
Give two uses of Germanium
Name a metal which is best conductor of electricity :
Write name.
The oxide that forms salt and water by reacting with both acid and base.
What is it made from? Why?
Electric cables
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| 1) Copper and Zinc | a) Brass |
| 2) Copper and Tin | b) Bronze |
| c) Stainless steel |
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- Na
- Ca
- Fe
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Name two soft metals which can be cut with a knife.
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- ______ is a metal.
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