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प्रश्न
Complete and balance the following reaction.
Al + H2SO4 →_____________ +___________
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उत्तर
2Al + 3H2SO4 →Al2(SO4)3 + 3H2
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संबंधित प्रश्न
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........................... means ‘maker of water’ in Greek.
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In electrolysis of water, dilute sulphuric acid is added to increase ..................of water.
Which metal is preferred for the preparation of hydrogen?
from acid?
How did the name 'hydrogen' originate?
Hydrogen can be prepared with the help of cold water. Give a reaction of hydrogen with:
A divalent metal
Complete and balance the following reaction.
Mg + H2O →_____________ +___________
Select the correct options for the following statement:
A metal which reacts with water to give a metallic hydroxide & liberate hydrogen.
Complete and balance the equation:
[General method]
Reactions of metals with steam
Magnesium - Mg + H2O → ______+ _______ [g]
Account for the following fact:
Though lead is above hydrogen in the activity series, it does not react with dilute hydrochloric acid or dilutes sulphuric acid.
Give a balanced equation for obtaining hydrogen from?
Steam using a metal – and the reaction is reversible.
