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प्रश्न
Name an alloy of lead and tin.
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उत्तर
Solder
संबंधित प्रश्न
Give reasons for the following.
Sodium and potassium are stored in kerosene.
Which property of graphite is utilised in making electrodes?
How does the electrical conductivity of copper alloys, brass and bronze, differ from that of pure copper?
State two important uses of following metal:
Uses of aluminium
Write name.
Molecular formula of the common ore of aluminium.
State why telegraph poles are painted with aluminium paint.
Give a reason why a green deposit is seen on the surface of an article of copper
On heating which of the following substances i.e. copper carbonate, zinc carbonate, washing soda, copper sulphate, zinc nitrate, copper nitrate, lead nitrate, ammonium chloride and ammonium dichromate – relate to the reaction given below.
An amorphous substance which turns from pale green to black on strong heating evolving a colourless, acidic gas as the only gaseous product.
Name two major non-metals which are present in fertilisers and enhance the growth of plants.
Which metals are not solid at room temperature?
