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प्रश्न
Give an example of a reaction where the following are involved:
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उत्तर
\[\ce{Pb(NO3)2(s) + 2KI (s) -> 2KNO3 + PbI2 (s)}\]
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संबंधित प्रश्न
Complete and balance the following chemical equations:
Zn + `"H"_2"SO"_4` `→`
(dil)
Write true or false :
When potassium iodide solution is added to lead acetate solution a red precipitate is formed.
Give an example of a reaction where the following are involved:
Solution
Define a photochemical reaction.
Give an example of the following chemical change.
Two solids combine to form a liquid
State the type of reactions for the following represent and balance the ones that are not balanced.
Cl2 + 2KBr → 2KCl + Br2
Distinguish by dilute sulphuric acid.
Sodium sulphide and sodium sulphite?
Complete the table given below.
| Addition of dil. H2SO4 to zinc | Test for gas evolved |
Match the chemical reactions in List I with the appropriate answer in List II.
| List I | List II | ||
| 1. | \[\ce{XY⇌[heat]X + Y}\] | A: | Displacement reaction |
| 2. | \[\ce{XY->X + Y}\] | B: | Double decomposition |
| 3. | \[\ce{X+Y- + A+B^-->X+B- + A+Y-}\] | C: | Endothermic reaction |
| 4. | \[\ce{X + YZ->XZ + Y}\] | D: | Thermal dissociation |
| 5. | \[\ce{X + Y->[heat]XY -\Delta}\] | E: | Decomposition reaction |
Differentiate between the following:
Neutralization reaction and a precipitation reaction.
