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प्रश्न
Give an example of a reaction where the following are involved
Pressure
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उत्तर
\[\ce{N2 + 3H2 ⇌[][Above 200 atm] 2NH3}\]
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संबंधित प्रश्न
Give one example that illustrates the following characteristics of a chemical reaction:
Change in state
Match the column in the following table.
| Reactants | Products | Type of chemical reaction |
| BaCl2(aq) + ZnSO4(aq) | H2CO3(aq) | Displacement |
| 2AgCl(s) | FeSO4(aq) + Cu(s) | Combination |
| CuSO4(aq) + Fe(s) | BaSO4↓ + ZnCl2(aq) | Decomposition |
| H2O(l) + CO2(g) | 2Ag(s) + Cl2(g) | Double displacement |
Give an example of the following chemical change.
Two gases combine to form white solid
Multiple choice:
Thermal decomposition of sodium carbonate will produce
______ change results in the change of the substance.
What is the use of indicator?
How would you show that the settling of curd is a chemical change?
Write a note on the following:
Curdling of milk
Assertion (A): Cutting paper into very small pieces is an irreversible change.
Reason (R): Physical changes are always reversible.
The reaction of H2 gas with oxygen gas to form water is an example of ______.
