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प्रश्न
Give a balanced equation for the following type of reaction:
A soluble salt of lead formed from an insoluble base by double decomposition – neutralization.
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उत्तर
Soluble salt of lead formed from the insoluble base by double-decomposition by neutralization.
\[\ce{\underset{\text{insoluble base}}{PbO} + \underset{\text{nitric acid}}{2HNO3}->\underset{\text{salt}}{Pb[NO3]2} + H2O}\]
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संबंधित प्रश्न
Complete the following statement.
The chemical change involving iron and hydrochloric acid illustrates a _________________ reaction.
State the type of reactions for the following represent and balance the ones that are not balanced.
CaCO3→ CaO+ CO2
What is a double displacement reaction?
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 coloured substance which decomposes violently leaving a coloured residue and evolving two neutral gases one of which is unreactive or inert in nature.
State which of the substance given below evolve oxygen gas on thermal decomposition.
Mercury [II] oxide
The reaction can be classified as:
State which of the following type, take place in the reaction is given below.
\[\ce{4HNO3->4NO2 + 2H2O + O2}\]
Give an example of a photochemical decomposition reaction.
Select the correct answer from the options given below:
State the gaseous product formed, when
A metallic nitrate undergoes thermal decomposition giving a coloured gas.
Give a balanced equation for the following type of reaction:
A synthesis reaction between a metal and a non-metal resulting in the formation of an insoluble salt of iron.
Match the chemical reactions in List I with the appropriate answer in List II.
| List I | List II |
| 1. \[\ce{AB⇌[heat]A + B}\] | A: Double decomposition |
| 2. \[\ce{AB->A + B}\] | B: Thermal dissociation |
|
3. \[\ce{X+Y- + AB+B- ->X+B- + A+Y-}\] |
C: Endothermic reaction |
| 4. \[\ce{X + YZ->XZ + Y}\] | D: Displacement reaction |
| 5. \[\ce{X + Y->[heat]XY - \Delta}\] | E: Decomposition reaction |
