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प्रश्न
Name two metals which can, however, liberate hydrogen gas from very dilute nitric acid.
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उत्तर
Magnesium and manganese are two metals that liberate hydrogen gas from very dilute nitric acid.
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संबंधित प्रश्न
Name the following:
Metals which forms an amphoteric oxide.
Write equations for the reactions of iron with steam.
What would you observe when zinc is added to a solution of iron (II) sulphate? Write the chemical reaction that takes place.
The solution of Aluminium sulphate in water is .....................
(a) Green
(b) Colourless
(c) Pink
(d) Blue
A copper coin is kept immersed in a solution of silver nitrate for some time. What will happen to the coin and the colour of the solution?
Name the metal which has been placed just below copper in the reactivity series.
What will happen if a strip of zinc is immersed in a solution of copper sulphate?
Complete and balance the following equation:
Na2O + H2O →
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Name one metal which displaces silver from silver nitrate solution and one which does not.
A basic oxide will be formed by the element:
(a) K
(b) S
(c) P
(d) Kr
An element X forms two oxides XO and XO2. The oxide XO is neutral but XO2 is acidic in nature. The element X is most likely to be:
(a) sulphur
(b) carbon
(c) calcium
(d) hydrogen
What are noble gases
What is the cause of chemical bonding (or chemical combination) of atoms of elements?
Write a chemical equation to illustrate the use of aluminium for joining cracked railway lines.
Arrange the following metals in the increasing order of their reactivities:
Copper, Zinc, Aluminium, and Iron
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- Good thermal conductivity
- Good electrical conductivity
- Ductility
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Generally, metals are solid in nature. Which one of the following metals is found in liquid state at room temperature?
