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प्रश्न
Give balanced equation for the following conversion:
Iron [III] oxide to iron – using hydrogen.
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उत्तर
Fe2O3 is reduced by hydrogen
\[\ce{\underset{\text{Iron(III) Oxide}}{Fe2O3} + 3H2 ->\underset{\text{iron metal}}{2Fe} + 3H2O}\]
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संबंधित प्रश्न
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
In nature, hydrogen occurs as a .................. molecule represented as H2
Write the balanced equation and give your observation when the following metal reacts:
Magnesium with boiling water
Choose terms from the options given in brackets to complete this sentence.
A metal …………….. hydrogen in the activity series gives hydrogen with …………… acid or …………… acid.
(above, below, dilute hydrochloric, concentrated hydrochloric, dilute sulphuric).
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.
Give a chemical test to distinguish between the following gases:
Hydrogen and oxygen
How can you obtain hydrogen from sodium hydroxide [not by electrolysis].
Write balanced equation for the following reaction:
magnesium + dil. hydrochloric acid → ___
How would you obtain ‘hydrogen from sodium hydroxide’ solution other than by electrolysis?
