Advertisements
Advertisements
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.
उत्तर
Iron reacts with steam to form metal oxide and hydrogen.
\[\ce{3Fe_{(s)} + 4H2O_{(g)} -> Fe2O4_{(aq)} + 4H2_{(g)}}\]
संबंधित प्रश्न
Which gas is produced when dilute hydrochloric acid is added to a reactive metal?
Food cans are coated with tin and not with zinc because ______.
Complete and balance the following equation:
Which of the following elements would yield a basic oxide.
Na, S, C, K, H
How do metals react with hydrogen? Explain with an example.
Arrange the following metals in order of their chemical reactivity, placing the most reactive metal first:
Magnesium, Copper, Iron, Sodium, Zinc, Lead, Calcium.
Name two metals (other than zinc and iron) which can displace hydrogen from dilute hydrochloric acid?
What is the action of water on sodium ? Write equation of the chemical reaction involved.
Write one reaction in which aluminium oxide behaves as a basic oxide and another in which it behaves as an acidic oxide.
Hydrogen is not a metal but still it has been assigned a place in the reactivity series of metals. Why?
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
An element E reacts with water to form a solution which turns phenolphthalein solution pink. The element E is most likely to be:
(a) S
(b) Ca
(c) C
(d) Ag
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
When calcium metal is added to water, the gas evolved does not catch fire but the same gas evolved on adding sodium metal to water catches fire. Why is it so?
A zinc plate was kept in a glass container having CuSO4 solution. On examining it was found that the blue colour of the solution is getting lighter and lighter. After a few days, when the zinc plate was taken out of the solution, a number of small holes were noticed in it. State the reason and give chemical equation of the reaction involved.
What is the characteristic of the electronic configuration of noble gases?
Rewrite the following statement by selecting the correct option.
A solution of Al2(SO4)3 in water is _____________.
Which of the following property is not responsible for copper to be used as electrical conduction wires?
Find the odd one out: