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प्रश्न
Give an example of a photochemical reaction.
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उत्तर
\[\ce{6CO2 + 6H2O -> C6H12O6 + 6O2}\]
संबंधित प्रश्न
Explain the following reaction with one suitable example of Combination reactions .
Match the pairs.
| a. | Photosynthesis | i. | Tendency to lose electrons |
| b. | Water | ii. | Reactant in combustion process |
| c. | Sodium chloride | iii. | Chemical change |
| d. | Dissolution of salt in water | iv. | Covalent bond |
| e. | Carbon | v. | Ionic bond |
| f. | Fluorine | vi. | Physical change |
| g. | Magnesium | vii. | Tendency to form anion |
Show with the help of diagram of electronic configuration how the following compound is formed from the constituent atoms.
Sodium chloride
Define a photochemical reaction.
State the original colour of the following substance and colour of residue obtained after heating.
Copper carbonate
On heating which of the following substances i.e. copper carbonate, zinc carbonate, washing soda, copper sulphate, zinc nitrate, copper nitrate, lead nitrate, ammonium chloride and ammonium dichromate – relate to the reaction given below.
A white solid which evolves two colourless gases which on cooling combine and condense on the cooler parts of the test tube.
Select the correct answer from the options given below:
State the gaseous product formed, when
An ammonium salt reacts with an alkali.
Assertion: The formation of iron oxide from iron is a chemical change.
Reason: For the rust to form from iron, it must be exposed to air and water.
When an aqueous solution of potassium chloride is added to an aqueous solution of silver nitrate, a white precipitate is formed. Give the chemical equation of this reaction.
Write the chemical reaction of baking soda with lemon.
