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प्रश्न
Give an example of a reaction where the following are involved
Catalyst
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उत्तर
\[\ce{2KCIO3_ ->[MnO2] 2KCI + 3O2}\]
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संबंधित प्रश्न
Fill in the blank:
During a chemical reaction transfer of ________ takes place.
Explain the following reaction with one suitable example of Displacement reaction.
Show with the help of diagram of electronic configuration how the following compound is formed from the constituent atoms.
Sodium chloride
Show with the help of diagram of electronic configuration how the following compound is formed from the constituent atoms.
Water
Give reason for the following:
Molybdenum is used in the manufacture of ammonia.
Give examples of exothermic reactions i.e. heat evolved in each of the following:
(a) reaction between a solid and a liquid
(b) reaction between two gases
Give two examples of exothermic reactions seen in everyday life.
Select the correct answer for the following options:
The basic gas obtained when two gases react in presence of a catalyst and the reaction is exothermic.
Match the chemical reactions in List I with the appropriate answer in List II.
| List I | List II | ||
| 1. | \[\ce{XY⇌[heat]X + Y}\] | A: | Displacement reaction |
| 2. | \[\ce{XY->X + Y}\] | B: | Double decomposition |
| 3. | \[\ce{X+Y- + A+B^-->X+B- + A+Y-}\] | C: | Endothermic reaction |
| 4. | \[\ce{X + YZ->XZ + Y}\] | D: | Thermal dissociation |
| 5. | \[\ce{X + Y->[heat]XY -\Delta}\] | E: | Decomposition reaction |
Select the correct answer from the options given below:
State the gaseous product formed, when
An active metal reacts with dilute sulphuric acid.
The chemical name of baking soda is sodium bicarbonate.
