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सी.आई.एस.सी.ई.आईसीएसई ICSE Class 8

Classify the Following Reaction into – Direct Combination Decomposition Displacement Double Decomposition the Reaction is – Zinc Sulphate Reacts with Ammonium Hydroxide to Give Ammonium Sulphate

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प्रश्न

Classify the following reaction into – 

  1. Direct combination 
  2. Decomposition
  3. Displacement
  4. Double decomposition

The reaction is – Zinc sulphate reacts with ammonium hydroxide to give ammonium sulphate and zinc hydroxide.

एक पंक्ति में उत्तर
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उत्तर

Is double decomposition as an exchange of ions takes place.

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अध्याय 6: Chemical Reactions - Exercises

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संबंधित प्रश्न

What do you mean by a precipitation reaction? Explain giving an example.


Give two characteristics of the chemical reaction which occurs on adding potassium iodide solution to lead nitrate solution.


What type of reaction is represented by the following equation?

\[\ce{CuSO4 + 2NaOH -> Cu(OH)2 + Na2SO4}\]


  1. What happens when an aqueous solution of sodium sulphate reacts with an aqueous solution of barium chloride?
  2. Write the balanced chemical equation for the reaction which takes place.
  3. State the physical conditions of reactants in which the reaction will not take place.
  4. Name the type of chemical reaction which occurs.
  5. Give one example of another reaction which is of the same type as the above reaction.

Fill in the blank

In the type of reaction called ....................................., ions two compounds exchange their positive and negative radicals ions respectively.


Explain the following type of chemical reaction, giving two examples for it:

Double displacement reaction


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It takes time for pieces of Shahabad tile to disappear in HCl, but its powder disappears rapidly.


Choose and write the correct option.

What is the type of the following reaction?

BaCl+ ZnSO4 →  BaSO4 + ZnCl2


When hydrogen sulphide gas is passed through a blue solution of copper sulphate, a black precipitate of copper sulphide is obtained and the sulphuric acid so formed remains in the solution. The reaction is an example of a:


Which among the following is (are) double displacement reaction(s)?

(i) \[\ce{Pb + CuCl -> PbCl2 + Cu}\]

(ii) \[\ce{Na2SO4 + BaCl2 -> BaSO4 + 2NaCl}\]

(iii) \[\ce{C + O2 -> CO2}\]

(iv) \[\ce{CH4 + 2O2 -> CO2 + 2H2O}\]


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