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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
For laboratory preparation of hydrogen, give the following:
method of collection
Give a reason for the following:
Zinc granules are used in the lab preparation of hydrogen.
Give reason for the following:
Purified and dried hydrogen is collected over mercury.
How did the name 'hydrogen' originate?
Complete and balance the following reaction.
Mg + H2O →_____________ +___________
Complete and balance the equation:
[General method]
Reactions of metals with steam
Magnesium - Mg + H2O → ______+ _______ [g]
Complete and balance the equation:
[General method]
Reactions of metals with dilute acids
Aluminium - 2Al + 3H2SO4 → ______+ _______ [g]
State the reactant added to hydrogen to obtain the respective product in following case.
Water
