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Question
State the reactant added to hydrogen to obtain the respective product in following case.
Ammonia
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Solution
Reactant added to obtain:
Ammonia: Nitrogen and hydrogen.
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Fill in the blank
Hydrogen reacts with metal oxides to form ............and....................
Match the statements in Column A with those in Column B.
| Column A | Column B |
|
1. A metal which reacts with cold water to from hydrogen. |
1. Reduction |
| 2. A gas which is inflammable and non-supporter of combustion | 2. Hydrogenation |
|
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|
4. The removal ofhydrogen or addition of oxygen |
4. sodium |
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What is noticed if the products are not allowed to escape?
Where does hydrogen occur in a free state?
Why are the following metals not used in the lab. preparation of hydrogen?
aluminium
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[General method]
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Aluminium - 2Al + 3H2SO4 → ______+ _______ [g]
State the reactant added to hydrogen to obtain the respective product in following case.
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Give a balanced equation for the following conversion.
\[\ce{ZnO<-H2O->Fe3O4}\]
Give a reason for the following.
Granulated zinc is preferred to metallic zinc in the preparation of hydrogen using dilute acid.
