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प्रश्न
Select the correct answer for the statement given below:
The displaced product of the displacement reaction of sodium with cold water.
विकल्प
Iron
Carbonic acid
Hydrogen
Oxygen
Carbon monoxide
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उत्तर
Hydrogen
APPEARS IN
संबंधित प्रश्न
CuSO4(aq) + Zn(s) → ZnSO4(aq) + Cu(s) is an example of a decomposition reaction.
The reddish brown deposit formed on iron nails kept in a solution of copper sulphate is
- Cu2O
- Cu
- CuO
- CuS
\[\ce{Fe2O3 + 2Al -> Al2O3 + 2Fe}\]
The above reaction is an example of a ______.
In the refining of silver, the recovery of silver from silver nitrate solution involved displacement by copper metal. Write down the reaction involved.
What happens when a zinc strip is dipped into a copper sulphate solution?
Name the type of reaction involved.
Fill in the blank.
The chemical change involving iron and hydrochloric acid illustrates a ...............reaction.
Name the type of reaction which is governed by the position of a metal in the metal activity series ?
Give reasons for the following:
The reaction of iron (III) oxide [Fe2O3] with heated aluminum is used to join cracked machine parts.
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 |
\[\ce{Pb + CuCl2 -> PbCl2 + Cu}\]
The above reaction is an example of:
