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प्रश्न
Name a metal for the given case:
It does not react with cold as well as hot water but reacts with steam.
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उत्तर
Aluminium
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संबंधित प्रश्न
.................... liberated when acetic acid reacts with sodium metal.
(a) Hydrogen
(b) Chlorine
(c) Oxygen
(d) Nitrogen
What changes in the colour of iron nails and copper sulphate solution do you observe after keeping the iron nails dipped in copper sulphate solution for about 30 minutes?
Complete and balance the following equation:
\[\ce{Fe_{(s)} + H2O_{(g)} ->[Red heat]}\]
What type of oxides are formed when non-metals react with oxygen? Explain with an example.
How do non-metals react with hydrogen? Explain with an example.
What happens when magnesium reacts with very dilute nitric acid? Write an equation for the reaction involved.
What happens when a rod of zinc metal is dipped into a solution of copper sulphate? Give chemical equation of the reaction involved.
Which gas is produced when dilute hydrochloric acid is added to a reactive metal?
Name another metal oxide which behaves like aluminium oxide.
Out of the following oxides, the amphoteric oxide is:
The elements whose oxides can turn litmus solution blue are ______.
Which one of the following four metals would be displaced from the solution of its salt by the other three metals?
Which of the following reactions will not occur? Why not?
- \[\ce{MgSO4_{(aq)} + Cu_{(s)} -> CuSO4_{(aq)} + Mg_{(s)}}\]
- \[\ce{CuSO4_{(aq)} + Fe_{(s)} -> FeSO4_{(aq)} + Cu_{(s)}}\]
- \[\ce{MgSO4_{(aq)} + Fe_{(s)} -> FeSO4_{(aq)} + Mg_{(s)}}\]
If A, B, C, D, E, F, G, H, I, J and K represent metals in the decreasing order of their reactivity, which one of them is most likely to occur in a free state in nature?
When calcium metal is added to water, the gas evolved does not catch fire but the same gas evolved on adding sodium metal to water catches fire. Why is it so?
Rewrite the following statement by selecting the correct option.
A solution of Al2(SO4)3 in water is _____________.
Arrange the following metals in the increasing order of their reactivities:
Copper, Zinc, Aluminium, and Iron
The substance that will be flattened on beating with a hammer is ______.
Metals are generally hard. Which of the following metals is an exception and can be cut with a knife?
