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प्रश्न
Give an example with a balanced equation, of the following reaction:
photochemical reaction
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उत्तर
Example of photochemical reaction:
(i) \[\ce{H2 + Cl2->[sun light]2HCl}\]
Slow reaction in diffused sun light
Explosive reaction in direct sun light
(ii) \[\ce{6CO2 + 12H2O->[chlorophyll][sun light]C6H12O6 + 6H2O + 6H2}\]
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संबंधित प्रश्न
Give an example of the following chemical changes.
A reaction involving blue solution.
State the effects of endothermic and exothermic reactions on the surroundings.
State which type of chemical reaction proceeds with evolution of heat energy.
State which type of chemical reaction proceeds with the absorption of heat energy.
State the following reaction whether heat is evolved or absorbed –
water is added to quicklime
Give an example of an endothermic reaction.
Give an example with a balanced equation, of the following reaction:
electrochemical reaction
Complete the statement by filling in the blank with the correct word:
The reaction of hydrogen burning in oxygen to give a neutral liquid is an example of ________ reaction.
Mention any two exothermic reactions.
Match the following:
| Colum I | Column II | ||
| 1. | Alloying | a. | Exothermic change |
| 2. | Crystallization | b. | Periodic change |
| 3. | Soap powder + water | c. | Mixing of molten solids |
| 4. | Seasonal changes | d. | Pure solid |
