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प्रश्न
Give an equation to express the reaction between:
Steam and red hot iron
उत्तर
3Fe + 4H2O⇋ Fe3O4 + 4H2
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संबंधित प्रश्न
From the knowledge of activity series, name a metal which shows the following properties:
It displaces hydrogen from hot water.
From the knowledge of activity series, name a metal which shows the following properties:
It displaces hydrogen from dilute HCl.
Complete the following word equation:
Calcium + water → calcium hydroxide + _________
Hydrogen can be prepared with the metal zinc by using: alkali
Give an equation.
A small piece of calcium metal is put into a small trough containing water. There is effervescence and white turbidity is formed.
Write an equation for the reaction.
Give reason for the following:
Potassium and sodium are not used for reaction with dilute hydrochloric acid or dilute sulphuric acid in the laboratory preparation of hydrogen.
Write a balanced equation for the reaction named metal with (i) boiling water (ii) steam.
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.
Using dilute sulphuric acid how would you differentiate between:
Copper and magnesium
How would you identify the gaseous products evolved.
