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प्रश्न
What is a double displacement reaction?
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उत्तर
A double displacement reaction this is a type of chemical change in which two compounds in a solution react to form two new compounds by mutual exchange of radicals. Double decomposition reaction is also called a double displacement reaction.
\[\ce{AB + CD -> AD + CB}\]
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संबंधित प्रश्न
The reaction of iron nail with copper sulphate solution is ______ reaction.
Select the correct salt from list II which on thermal decomposition exhibits the change in colour from list I.
| List I | List II |
| 1. Light green to black | A: Copper carbonate |
| 2. White to yellow [heated state] | B: Hydrated Copper sulphate |
| 3. Blue to black | C: Copper nitrate |
| 4. Orange to green | D: Ammonium dichromate |
| 5. Blue to white | E: Zinc nitrate |
State which of the substance given below evolve oxygen gas on thermal decomposition.
Anhydrous copper sulphate
The reaction can be classified as:
State which of the following type, take place in the reaction is given below.
\[\ce{Cl2 + 2Kl->2KCl + l2}\]
Give a balanced equation for the following reaction of synthesis involving the formation of:
An acid – from sulphur dioxide gas
Give a balanced equation for thermal decomposition of mercury [II] oxide
Define a displacement reaction with a suitable example.
Convert an insoluble base
Give a balanced equation for the following type of reaction:
A direct combination reaction between phosphorus and neutral gas.
Differentiate between the following:
Synthesis reaction and a substitution reaction.
