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प्रश्न
Select the correct options for the following statement:
The metal used as a catalyst in hydrogenation of oils.
विकल्प
Nickel
Sodium
Iron
Iron [III] oxide
Magnesium oxide
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उत्तर
Nickel
APPEARS IN
संबंधित प्रश्न
Fill in the blank
Hydrogen is ...................soluble in water.
MULTIPLE CHOICE QUESTIONS
Hydrogen burns in oxygen to form
- hydrogen sulphide
- nitrates
- water
- ammonia
TRUE \ FALSE
Hydrogen does not combine with nitrogen under ordinary conditions.
What is noticed if the products are not allowed to escape?
For laboratory preparation of hydrogen, give the following:
chemical equation
‘Hydrogen is obtained by electrolysis of acidified water’.
Answer the following pertaining to the preparation of hydrogen by electrolysis,
Name the electrode –
- through which the current enters the electrolyte.
- at which hydrogen is liberated.
Select the correct options for the following statement:
The product formed on combustion of hydrogen in air is ___.
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 → _______
Give a balanced equation for the following conversion.
\[\ce{KAlO2<-KOH->K2ZnO2}\]
Give a balanced equation for the following conversion.
\[\ce{NH3<-H2->H2S}\]
