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प्रश्न
State the reactant added to hydrogen to obtain the respective product in following case.
Water
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उत्तर
Reactant added to obtain:
Water: Hydrogen and oxygen.
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संबंधित प्रश्न
Multiple Choice Question
Water gas is a mixture of
FILL IN THE BLANK
In electrolysis of water, dilute sulphuric acid is added to increase ..................of water.
For laboratory preparation of hydrogen, give the following:
fully-labeled diagram
Hydrogen can be prepared with the help of cold water. Give a reaction of hydrogen with:
A monovalent metal
Starting from hydrogen gas how would you obtain a metal by reduction of its heated oxide.
Select the correct options for the following statement:
A metal which reacts with water to give a metallic hydroxide & liberate hydrogen.
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:
[Industrial Method - Bosch process]
- Step I - Production of water gas -
\[\ce{C + H2O->[1000°C]}\] [____ + ____] - Δ - Step II - Reduction of steam to hydrogen by carbon monoxide
\[\ce{CO + H2 + H2O->[450°C][Fe2O3]}\] _____ + ____ [g] - Step III - Removal of unreacted carbon dioxide and carbon monoxidefrom the above mixture
KOH + CO2 → _________ + ______
CuCl + CO + 2H2O → _______
Account for the following fact:
Potassium and sodium are not used to react with dilute ‘hydrochloric acid or dilute sulphuric acid in the laboratory preparation of hydrogen.
