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प्रश्न
Give balanced equation for the following conversion affected by heat alone on the substance:
Copper carbonate to copper oxide
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उत्तर
Action of heat on:
\[\ce{\underset{\text{[light green]}}{CuCO3} ->[\triangle] \underset{\text{[black]}}{CuO} + CO2}\]
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संबंधित प्रश्न
Give one example that illustrates the following characteristics of a chemical reaction:
Change in state
TRUE \ FALSE
A precipitation reaction takes place only in a solution.
Write the chemical reaction where the following changes are observed.
Gas is evolved
Write your observation and a balanced equation in the case of the following substances being heated.
Copper carbonate.
Give balanced equation for the following conversion affected by heat alone on the substance:
Copper nitrate to nitrogen dioxide
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 |
______ is not a chemical change.
Limestone contains ______ mainly.
Rusting of Iron: undesirable change:: Dead plants turn into manure: ______.
Iron and rust are the same substances.
