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प्रश्न
Write a correctly balanced equation for the following:
When steam is passed over red hot iron.
Write a balanced chemical equation for the reaction that occurs when steam is passed over red hot iron.
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उत्तर
\[\ce{3Fe + \underset{(Steam)}{4H2O} ->[heat] \underset{(Magnetic oxide of iron)}{Fe3O4} + 4H2\uparrow}\]
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संबंधित प्रश्न
Indicate which of the following statement is true and which is false:
The hydrogen molecule is monovalent.
Indicate which of the following statement is true and which is false:
Hydrogen gas is easily liquefiable.
Give reason for the following:
A pop sound produced when hydrogen is burnt?
MULTIPLE CHOICE QUESTIONS
The name hydrogen was given by
- Cavendish
- Lavoisier
- Haber
- none of these
FILL IN THE BLANK
Hydrogen is present abundantly in the ................
Write the balanced equation and give your observation when the following metal reacts:
Sodium with cold water
Give equations for the reactions.
How is hydrogen separated from carbon dioxide and carbon monoxide?
Using a burning candle and a jar of hydrogen – how would you prove experimentally that Hydrogen does not support combustion.
With reference to the equation : Cl2 + H2S → 2HCl + S pertaining to a redox reaction – select the correct answer.
Hydrogen sulphide is ______ to sulphur since the reaction involves ______ of hydrogen.
With reference to the equation : Cl2 + H2S → 2HCl + S pertaining to a redox reaction – select the correct answer.
Chlorine acts as an ______ agent.
Give balanced equation for the following conversion:
Water gas to hydrogen – industrially.
Give balanced equation for the following conversion:
Iron [III] oxide to iron – using hydrogen.
Give balanced equation for the following conversion:
Nitrogen to a basic gas – using hydrogen.
Select the correct options for the following statement:
The gas which has now replaced hydrogen in air balloons is ___.
Give a chemical test to distinguish between the following gases:
Ammonia and hydrogen chloride
Name a gas which burns in air or oxygen forming water.
What do you observe when a piece of sodium is dropped into cold water?
Complete and balance the following equations:
Al + NaOH + ____ → ____ + ____
