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Give an example of a reaction where the following are involved: Solution - Chemistry

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प्रश्न

Give an example of a reaction where the following are involved:

Solution

एका वाक्यात उत्तर

उत्तर

\[\ce{NaCl (aq) + AgNO3 (aq) -> \underset{white ppt.}{AgCl \downarrow} + NaNO3 (aq)}\]

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पाठ 2: Chemical Changes and Reactions - Exercise 2 (A) [पृष्ठ २३]

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सेलिना Concise Chemistry [English] Class 9 ICSE
पाठ 2 Chemical Changes and Reactions
Exercise 2 (A) | Q 3.5 | पृष्ठ २३

संबंधित प्रश्‍न

State whether the following statement is true or false. In case a statement is false, write the corrected statement.

Iron pipes coated with zinc do not get rusted easily.


How do the following help in bringing about a chemical change?

pressure.


How is precipitate formation in a chemical reaction indicated?


What are homogenous reactions ?


Name the type of chemical reaction shown by the following equation:

CaCO3 → CaO + CO2


Name the type of chemical reaction shown by the following equation:

2Mg + O2 → 2MgO


Show with the help of diagram of electronic configuration how the following compound is formed from the constituent atoms.

Potassium fluoride


Give reason for the following:

Silver nitrate solution is kept in coloured bottles.


Give reason for the following:

Blue solution of copper sulphate changes to green when a piece of iron is added to this solution.


Complete and balance the following reaction:

NaCl(aq) + AgNO3(aq) →


Name: Gas with rotten egg smell. 


Name: Two nitrates that do not produce nitrogen dioxide on heating.


What do you observe when H2S is passed through a lead nitrate solution.


What do you observe when dilute sulphuric acid is added to the following:

Sodium Sulphide


Select the correct answer for the following options:

The black residue obtained on heating copper carbonate.


A chemical reaction is often accompanied by external indications or characteristics which include – 

  1. Colour change
  2. Effervescence or gas evolved
  3. Evolution or absorption of heat
  4. Formation of a precipitate.

With reference to each of the above indications, state the external indication seen during – Thermal decomposition of mercury [II] oxide.


The chemical change is ______.


_____ is the basic material to manufacture urea.


Chemists identify gypsum as a natural indicator.


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