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प्रश्न
Give an equation to express the reaction between:
Steam and red hot iron
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उत्तर
3Fe + 4H2O⇋ Fe3O4 + 4H2
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संबंधित प्रश्न
Give an equation to express the reaction between:
Calcium and water
Name two alkalies that can displace hydrogen. Give balanced equations for the same. Why are the metals you have used considered to have a unique nature?
Select the odd one out and justify your answer.
Zn, Fe, Mg, and Na
Correct the following statement:
Very dilute nitric acid reacts with iron to produce hydrogen.
Correct the following statement:
Conc. H2SO4 reacts with zinc to liberate hydrogen.
State why hydrogen is not prepared in the laboratory by the action of lead with dilute hydrochloric acid.
‘Magnesium reacts with very dilute nitric acid at low temperatures liberating hydrogen.’ Give reasons.
Name the following.
A metal below iron but above copper in the activity series of metals which has no reaction with water.
Name the following.
A metal which cannot be used for the preparation of hydrogen using dilute acids.
Name the following.
The salt formed when aluminium reacts with potassium hydroxide, during the preparation of hydrogen from alkalis.
