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प्रश्न
Write equations for the reactions of iron with steam.
Write an equation of the reaction of iron with steam. Indicate the physical states of all the reactants and products.
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उत्तर
Iron reacts with steam to form metal oxide and hydrogen.
\[\ce{3Fe_{(s)} + 4H2O_{(g)} -> Fe2O4_{(aq)} + 4H2_{(g)}}\]
संबंधित प्रश्न
Iron is
(a) More reactive than zinc
(b) More reactive than aluminium
(c) Less reactive than copper
(d) Less reactive than aluminium
Food cans are coated with tin and not with zinc because ______.
State whether the following statement is true or false:
Non-metals react with dilute acids to produce a gas which burns with a 'pop' sound.
Give reason for the following:
Blue colour of copper sulphate solution is destroyed when iron filings are added to it.
Which of the following elements would yield a basic oxide.
Na, S, C, K, H
What type of oxides are formed when non-metals react with oxygen? Explain with an example.
Explain why, metals usually do not liberate hydrogen gas with dilute nitric acid.
How do metals react with hydrogen? Explain with an example.
How do non-metals react with hydrogen? Explain with an example.
Why does aluminium not react with water under ordinary conditions?
What is the action of water on magnesium ? Write equation of the chemical reaction involved.
You are given samples of three metals − sodium, magnesium and copper. Suggest any two activities to arrange them in order of their decreasing reactivities.
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 metals which can produce amphoteric oxides are:
(a) sodium and aluminium
(b) zinc and potassium
(c) calcium and sodium
(d) aluminium and zinc
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
In nature, metal A is found in a free state while metal B is found in the form of its compounds. Which of these two will be nearer to the top of the activity series of metals?
Write the chemical equation of the above process.
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
Metals are generally solid. Which of the following metals is in the liquid state at room temperature?
