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प्रश्न
What is noticed if the products are not allowed to escape?
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उत्तर
If the product formed, i.e. hydrogen is not removed, then the iron oxide formed is reduced back to iron.
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संबंधित प्रश्न
TRUE \ FALSE
Hydrogen does not combine with nitrogen under ordinary conditions.
Which metal is preferred for the preparation of hydrogen?
from water?
Which metal is preferred for the preparation of hydrogen?
from acid?
Complete the following word equation:
Sodium hydroxide + zinc → hydrogen + _________
Why are the following metals not used in the lab. preparation of hydrogen?
aluminium
Give reason for the following:
In the preparation of hydrogen by electrolysis of water – the distilled water used is acidified.
Give a balanced equation for obtaining hydrogen from?
Steam using a trivalent metal
Give a balanced equation for obtaining hydrogen from?
Steam using a metal – and the reaction is reversible.
State the reactant added to hydrogen to obtain the respective product in following case.
Ammonia
State the reactant added to hydrogen to obtain the respective product in following case.
Hydrogen sulphide
