Advertisements
Advertisements
Question
Select the correct options for the following statement:
The metallic compound formed when a metal above aluminium in the activity series reacts with steam.
Options
Nickel
Sodium
Iron
Iron [III] oxide
Magnesium oxide
Advertisements
Solution
Magnesium oxide
APPEARS IN
RELATED QUESTIONS
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 |
|
3. A process in which vanspati ghee is prepared from vegitable oils |
3. oxidation |
|
4. The removal ofhydrogen or addition of oxygen |
4. sodium |
| 5. The addition of hydrogen or removal of oxygen | 5. Hydrogen |
Multiple Choice Question
Water gas is a mixture of
TRUE \ FALSE
Hydrogen does not combine with nitrogen under ordinary conditions.
TRUE \ FALSE
reacts with hot water to form copper oxide and hydrogen.
What is noticed if the products are not allowed to escape?
For laboratory preparation of hydrogen, give the following:
fully-labeled diagram
Hydrogen may be prepared in the laboratory by the action of a metal on an acid.
How would you modify your apparatus to collect dry hydrogen? Which drying agent would you employ for this purpose?
Why are the following metals not used in the lab preparation of hydrogen?
calcium
Complete and balance the equation:
[General method]
Reactions of active metals - cold water
Potassium- K + H2O → ______+ ______ [g]
Give a balanced equation for the following conversion.
\[\ce{ZnO<-H2O->Fe3O4}\]
