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प्रश्न
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 |
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उत्तर
| Column A | Column B |
|
1. A metal which reacts with cold water to from hydrogen. |
4. sodium |
| 2. A gas which is inflammable and non-supporter of combustion | 5. Hydrogen |
|
3. A process in which vanspati ghee is prepared from vegitable oils |
2. Hydragenation |
|
4. The removal hydrogen or addition of oxygen. |
3. oxidation |
| 5. The addition hydrogen or removal of oxygen | 1. Reduction |
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संबंधित प्रश्न
Name the following:
Two metals which give hydrogen with cold water.
Complete the following word equation:
Sodium hydroxide + zinc → hydrogen + _________
Give a reason for the following:
Zinc granules are used in the lab preparation of hydrogen.
Why are the following metal not used in the lab. preparation of hydrogen?
iron
Why are the following metals not used in the lab. preparation of hydrogen?
sodium
Complete and balance the following reaction.
Zn + H2O →_____________ +___________
Complete and balance the following reaction.
Al + KOH + 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 steam
Zinc - Zn + H2O → ______+ _______ [g]
Give a balanced equation for the following conversion.
\[\ce{KAlO2<-KOH->K2ZnO2}\]
