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प्रश्न
How did the name 'hydrogen' originate?
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उत्तर
The name 'hydrogen' originated on account of its ability to form water.
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संबंधित प्रश्न
Fill in the blank
Hydrogen is ...................soluble in water.
TRUE \ FALSE
Hydrogen does not combine with nitrogen under ordinary conditions.
Why nitric acid is not used in the preparation of hydrogen?
Complete and balance the following reaction.
Zn + H2O →_____________ +___________
Select the correct options for the following statement:
The metal which reacts with steam liberating hydrogen & the reaction is reversible.
On heating which of the following substances i.e. copper carbonate, zinc carbonate, washing soda, copper sulphate, zinc nitrate, copper nitrate, lead nitrate, ammonium chloride and ammonium dichromate – relate to the reaction given below.
An efflorescent substance which leaves a residue having the same colour as the substance and evolves a gas which changes the colour of cobalt chloride paper.
Complete and balance the equation:
[General method]
Reactions of metals with dilute acids
Iron - Fe + 2HCl → ______ + _______ [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.
State the condition and give balanced equation for the conversion of water gas to hydrogen – in the Bosch process.
Select the correct answer to the reactant added, to give the product in the preparation of hydrogen gas.
\[\ce{Fe3O4 + H2}\]
