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प्रश्न
Name the metal which has been placed just below copper in the reactivity series.
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उत्तर
Mercury is the metal that has been placed just below copper in the reactivity series.
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संबंधित प्रश्न
Metal A has electronic configuration (2, 8, 1) and metal B has (2, 8, 8, 2). Which is more reactive? Why? Identify these metals.
_________ solution is blue in colour.
(a) CuSO4
(b) FeSO4
(c) ZnSO4
(d) Al2(SO4)3
Write equations for the reactions of calcium and potassium with water.
What would you observe when zinc is added to a solution of iron (II) sulphate? Write the chemical reaction that takes place.
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Na2O + H2O →
Complete and balance the following equation:
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Why does aluminium not react with water under ordinary conditions?
Describe the reaction of potassium with water. Write the equation of the reaction involved.
The elements whose oxides can turn litmus solution blue are:
(a) carbon and sulphur
(b) sodium and carbon
(c) potassium and magnesium
(d) magnesium and sulphur
Which one of the following four metals would be displaced from the solution of its salt by the other three metals?
(a) Zn
(b) Ag
(c) Cu
(d) Mg
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Aluminium is used for making cooking utensils. Which of the following properties of aluminium are responsible for the same?
- Good thermal conductivity
- Good electrical conductivity
- Ductility
- High melting point
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Generally, metals are solid in nature. Which one of the following metals is found in liquid state at room temperature?
Tungsten wire is used in electric bulbs.
