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What type of reaction is represented by the following equation? CaCOA3⟶CaCO+COA2 - Science

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प्रश्न

What type of reaction is represented by the following equation?

\[\ce{CaCO3 -> CaCO + CO2}\]

एका वाक्यात उत्तर

उत्तर

Decomposition reaction by the action of heat.

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पाठ 1: Chemical Reactions and Equations - Exercise 2 [पृष्ठ ४५]

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लखमीर सिंह Chemistry (Science) [English] Class 10
पाठ 1 Chemical Reactions and Equations
Exercise 2 | Q 15.1 | पृष्ठ ४५

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संबंधित प्रश्‍न

Decomposition reactions require energy either in the form of heat or light or electricity for breaking down the reactants. Write one equation each for decomposition reactions where energy is supplied in the form of heat, light and electricity


State an important use of decomposition reactions.


A student wants to study a decomposition reaction by taking ferrous sulphate crystals. Write two precautions he must observe while performing the experiment. 


Explain the reaction given in the figure.


Electrolysis of water is a decomposition reaction. The mole ratio of hydrogen and oxygen gases liberated during electrolysis of water is:


Which of the following is an endothermic process?


Assertion: Decomposition of vegetable matter into compost is an endothermic reaction.

Reason: Decomposition reaction involves breakdown of a single reactant into simpler products.


  1. Identify the gasses evolved at the anode and cathode in the above experimental set up.
  2. Name the process that occurs. Why is it called so?
  3. Illustrate the reaction of the process with the help of a chemical equation.

When lead nitrate is heated strongly in a boiling tube, two gases are liberated and a solid residue is left behind in the test tube.

  1. Name the type of chemical reaction and define it.
  2. Write the name and formula of the coloured gas liberated.
  3. Write the balanced chemical equation for the reaction.
  4. Name the residue left in the test tube and state the method of testing its nature (acidic/basic).

Write the molecular formula of calcium carbonate.


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