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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
Write the balanced chemical equation for the following and identify the type of reaction.
\[\ce{Zinc carbonate(s) -> Zinc oxide(s) + Carbon dioxide(g)}\]
State an important use of decomposition reactions.
What type of chemical reaction takes place when limestone is heated?
What is meant by a decomposition reaction?
Classify the following reaction as combination, decomposition, displacement, precipitation and neutralization. Also balance the equation.
\[\ce{Zn_{(s)} + H2SO4 -> ZnSO4_{(s)} + H2_{(g)}}\]
(a) Design an activity to demonstrate the decomposition reaction of lead nitrate.
(b) Draw labelled diagram of the experimental set-up. List two main observations.
(c) Write balanced chemical equation for the reaction stating the physical state of the reactant and the products.
Classify the following reaction into –
- Direct combination
- Decomposition
- Displacement
- Double decomposition
The reaction is – Zinc hydroxide on heating gives zinc oxide and water.
Explain the reaction given in the figure.
Which one of the following processes involves chemical reactions?
Write one equation for the decomposition reaction where energy is supplied in the form of light.
