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प्रश्न
With reference to the following metals state their use in daily life metal:
Aluminium
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उत्तर
Aluminium:
- Making utensils as a metal, it is easily moulded in utensils.
- In paints – Aluminium powder is mixed with linseed oil as it is anti-corrosive in nature.
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संबंधित प्रश्न
Fill in the blanks:
Metals react with acids to produce _________ gas.
Mark ‘T’ if the statement is true and ‘F’ if it is false.
Copper displaces zinc from zinc sulphate solution. ( )
What happens when Dilute sulphuric acid is poured on a copper plate?
Write word equations of the reactions involved.
What is an amalgam?
Name a metal which is not malleable :
State two important uses of following metals:
Uses of iron
State two important uses of following metal:
Uses of aluminium
State the position of the following in the periodic table:
Alkali metals
State the position of the following in the periodic table:
Aluminium
Write name.
Molecular formula of the common ore of aluminium.
Give a reason why iron objects rust easily but the iron pillar at Qutab Minar has not rusted over the years.
Soft metal : Na : : hard metal : _______
Write the name.
Two highly reactive metals-
The metal which is liquid at room temperature is ______.
A is a reddish-brown metal, which combines with O2 at < 1370 K gives B, a black coloured compound. At a temperature > 1370 K, A gives C which is red in colour. Find A, B, and C with reaction.
Why are bells made of metals?
Sodium is a hard metal.
Which metals are not solid at room temperature?
Which metals are liquid at room temperature?
Why are metalloids called semimetals?
