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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.
Write balanced equation for the reaction of the following:
Iron with steam
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उत्तर
\[\ce{3Fe_{(s)} + 4H2O_{(g)} -> Fe2O4_{(aq)} + 4H2_{(g)}}\]
संबंधित प्रश्न
A student added few pieces of aluminium metal to two test tubes A and B containing aqueous solutions of iron sulphate and copper sulphate. In the second part of her experiment, she added iron metal to another test tubes C and D containing aqueous solutions of aluminium sulphate and copper sulphate.
In which test tube or test tubes will she observe colour change? On the basis of this experiment, state which one is the most reactive metal and why.
Write equation for the reaction of sodium with oxygen.
Which of the following elements would yield a basic oxide.
Na, S, C, K, H
Explain why, metals usually do not liberate hydrogen gas with dilute nitric acid.
Name two metals which can, however, liberate hydrogen gas from very dilute nitric acid.
Name two metals (other than zinc and iron) which can displace hydrogen from dilute hydrochloric acid?
What is the action of water on magnesium ? Write equation of the chemical reaction involved.
What happens when calcium reacts with water? Write the chemical equation of the reaction of calcium with water.
Write the chemical equation of the reaction which takes place when iron reacts with dilute sulphuric acid. What happens when the gas produced is ignited with a burning matchstick?
What happens when a metal reacts with dilute hydrochloric acid? Explain with the help of an example.
Write the equation for the reaction of Zinc with dilute hydrochloric acid.
Name the products formed. Also indicate the physical states of all the substances involved.
Name one metal which displaces silver from silver nitrate solution and one which does not.
The elements whose oxides can turn litmus solution red are:
(a) lithium and sodium
(b) copper and potassium
(c) carbon and hydrogen
(d) phosphorus and sulphur
A metal less reactive and another metal more reactive than hydrogen are:
(a) aluminium and lead
(b) iron and magnesium
(c) copper and tin
(d) copper and mercury
CuSO4(aq) + Fe(s) → FeSO4(aq) + Cu(s)
FeSO4(aq) + Zn(s) → ZnSO4(aq) + Fe(s)
On the basis of the above reactions, indicate which is most reactive and which is least reactive metal out of zinc, copper and iron.
Calcium floats over water during the reaction with water. Give reason.
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 hard. Which of the following metals is an exception and can be cut with a knife?
Tungsten wire is used in electric bulbs.
