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प्रश्न
Match the following
Identify the types of reactions.
| REACTION | TYPE |
| NH4OH(aq) + CH3COOH(aq) → CH3COONH4(aq) + H2O(l) | Single Displacement |
| Zn(s) + CuSO4(aq) → ZnSO4(aq) + Cu(s) | Combustion |
| \[\ce{ZnCO3_{(s)} + ->[Heat]ZnO_{(s)} + CO2_{(g)}}\] | Neutralization |
| C2H4(g) + 4O2(g) → 2CO2(g) + 2H2 O(g) + Heat | Thermal decomposition |
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उत्तर
| REACTION | TYPE |
| NH4OH(aq) + CH3COOH(aq) → CH3COONH4(aq) + H2O(l) | Neutralization |
| Zn(s) + CuSO4(aq) → ZnSO4(aq) + Cu(s) | Single Displacement |
| \[\ce{ZnCO3_{(s)} + ->[Heat]ZnO_{(s)} + CO2_{(g)}}\] | Thermal decomposition |
| C2H4(g) + 4O2(g) → 2CO2(g) + 2H2 O(g) + Heat | Combustion |
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संबंधित प्रश्न
In the refining of silver, the recovery of silver from silver nitrate solution involved displacement by copper metal. Write down the reaction involved.
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The colour of an aqueous solution of zinc sulphate as observed in the laboratory is:
(1) Green
(2) Yellow
(3) Blue
(4) Colourless
i) Observe the following reaction and answer the following questions.
`CuSO_4 (aq) + Fe (s) → FeSO_4(aq) + Cu (s)`
a) Identify and write the type of chemical reaction.
b) Write the definition of above reaction.
Identify the type of reaction taking place in the following case and write the balanced chemical equation for the reaction.
Zinc reacts with silver nitrate to produce zinc nitrate and silver.
Give reasons for the following:
The reaction of iron (III) oxide [Fe2O3] with heated aluminum is used to join cracked machine parts.
Select the correct answer for the statement given below:
The displaced product of the displacement reaction of sodium with cold water.
A single displacement reaction is represented by X(s) + 2HCl(aq) → XCl2(aq) + H2(g). Which of the following(s) could be X.
(i) Zn
(ii) Ag
(iii) Cu
(iv) Mg.
Choose the best pair.
Complete the given chemical equation:
\[\ce{Zn(s) + CuSO4(aq) -> \underline{}\underline{}\underline{}\underline{}\underline{} + \underline{}\underline{}\underline{}\underline{}\underline{}}\]
Name the type of reaction.
Consider the following chemical equation I and II
- \[\ce{Mg + 2HCl -> MgCl_2 +H_2}\]
- \[\ce{NaOH +HCl -> NaCl + H_2O}\]
The correct statement about these equations is:
