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प्रश्न
Give a balanced equation for –
A thermal decomposition reaction involving heat on limestone [calcium carbonate]
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उत्तर
Thermal decomposition of limestone:
\[\ce{\underset{\text{Limestone}}{CaCO3}->[\Delta]CaO + CO2}\]
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संबंधित प्रश्न
What type of reaction is represented by the following equation?
\[\ce{CaCO3 -> CaO + CO2}\]
What does one mean by endothermic reaction? Give example.
Study the following figure and answer questions.
a) After heating Calcium carbonate, which gas is formed in a test tube?
b) When we pass this gas through limewater what change, did you observe?
c) Write down the chemical reaction showing the product formation after heating the Calcium carbonate.
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(c) Write balanced chemical equation for the reaction stating the physical state of the reactant and the products.
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\[\ce{2KClO3(s)->[\Delta] 2KCl(aq) + 3O2(g)}\]
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- Direct combination
- Decomposition
- Displacement
- Double decomposition
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Decomposition of silver salts in the presence of sunlight is an example of _________.
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Thermal decomposition and thermal dissociation.
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On heating blue coloured powder of copper (II) nitrate, in a boiling tube, copper oxide (black), oxygen gas and a brown gas X is formed
- Write a balanced chemical equation of the reaction.
- Identify the brown gas X evolved.
- Identify the type of reaction.
- What could be the pH range of aqueous solution of the gas X?
