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प्रश्न
Where does the metal aluminium, used in the process, occurs in the reactivity series of metals?
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उत्तर
The reactivity series of metals as: K > Na > Ca > Mg > Al > C > Zn > Fe > Sn > Pb
As aluminium is more reactive than iron so it is placed above iron in the reactivity series.
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संबंधित प्रश्न
You must have seen tarnished copper vessels being cleaned with lemon or tamarind juice. Explain why these sour substances are effective in cleaning the vessels.
What will happen if a strip of zinc is immersed in a solution of copper sulphate?
What type of oxides are formed when non-metals react with oxygen? Explain with an example.
Name another metal oxide which behaves like aluminium oxide.
What happens when calcium reacts with water? Write the chemical equation of the reaction of calcium with eater.
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
Zinc oxide is a metal oxide. Which of the following term best describes the nature of zinc oxide:
(a) an acidic oxide
(b) a basic oxide
(c) an amphoteric oxide
(d) a neutral oxide
Aluminium is used for making cooking utensils. Which of the following properties of aluminium are responsible for the same?
(i) Good thermal conductivity
(ii) Good electrical conductivity
(iii) Ductility
(iv) High melting point
A cable manufacturing unit tested few elements on the basisof their physical properties.
| Properties | W | X | Y | Z |
| Malleable | Yes | No | No | Yes |
| Ductile | Yes | No | No | Yes |
| Electrical conductivity | Yes | Yes | Yes | No |
| Melting Point | High | Low | Low | High |
Which of the above elements were dicarded for usage by the company?
Generally, metals are solid in nature. Which one of the following metals is found in liquid state at room temperature?
