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सी.आई.एस.सी.ई.आयसीएसई ICSE Class 7

Balance the Following Equation. Also Name the Product Formed. Nano_3 → Nano_2 + O_2 Name of Product (S)

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प्रश्न

Balance the following equation. Also name the product formed. 

`"NaNO"_3  → "NaNO"_2  + "O"_2`  Name of product (s)

एका वाक्यात उत्तर
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उत्तर

`2 "NaNO" _3 → 2 "NaNO"_2  + "O"_2`    Sodium nitrite , oxygen

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पाठ 5: Language of Chemistry - Additional questions

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सेलिना Concise Chemistry [English] Class 7 ICSE
पाठ 5 Language of Chemistry
Additional questions | Q 5.01

संबंधित प्रश्‍न

Write the balanced chemical equation for the following reaction.

\[\ce{Barium chloride + Potassium sulphate → Barium sulphate + Potassium chloride}\]


Express the following facts in the form of a balanced chemical equation:

“When a strip of copper metal is placed in a solution of silver nitrate, metallic silver is precipitated and a solution containing copper nitrate is formed”.


Balance the following equation:

KOH + Cl2 → KCl + KClO + H2O


Write the balanced chemical equation of the following reaction.

potassium dichromate + sulphuric acid → potassium sulphate + chromium sulphate + water + oxygen.


Identify the type of reaction taking place of the following case and write the balanced chemical equation of the reaction:
Zinc reacts with silver nitrate to produce zinc nitrate and silver.


A chemical reaction is generally accompanied by certain external indications or characteristics. These include – change of – (a) colour (b) state (c) smell (d) evolution of gas (e) formation of precipitate (f) evolution or absorption of heat. With reference to change of colour – state the change in colour seen when the following are heated – copper carbonate.


In certain reaction an insoluble solid called precipitate is formed. State the colour and name of the precipitate formed in the following reaction involving addition of:

Iron [III] chloride to ammonium hydroxide.


What is meant by ‘reactants’ and ‘products’ in a chemical equation?


Write a balanced equation for the following word equation:

Iron + Hydrochloric acid → Iron [II] chloride + Hydrogen


Which of the following statements about the given reaction are correct?

`3"Fe"("s") + 4"H"_2"O"("g") -> "Fe"_3"O"_4("s") + 4"H"_2("g")`

  1.  Iron metal is getting oxidised
  2. Water is getting reduced
  3. Water is acting as reducing agent
  4.  Water is acting as oxidising agent

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