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सी.आई.एस.सी.ई.आईसीएसई ICSE Class 7

Balance the Following Equation. Also Name the Product Formed. Co2 + C → Co

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प्रश्न

Balance the following equation. Also name the product formed. 

CO2 + C →  CO

एक पंक्ति में उत्तर
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उत्तर

CO2 + C → 2CO        Corbon monoxide

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अध्याय 5: Language of Chemistry - Additional questions

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सेलिना Concise Chemistry [English] Class 7 ICSE
अध्याय 5 Language of Chemistry
Additional questions | Q 5.12

संबंधित प्रश्न

On what basis is a chemical equation balanced?


How will you indicate the following effect in a chemical equation?

Endothermic reaction


What is meant by a chemical reaction? Explain with the help of an example.


State one characteristic of the chemical reaction which takes place when wax is burned in the form of a candle.


When water is added gradually to a white solid X, a hissing sound is heard and a lot of heat is produced forming a product Y. A suspension of Y in water is applied to the walls of a house during white washing. A clear solution of Y is also used for testing carbon dioxide gas in the laboratory.

  1. What could be solid X? Write its chemical formula.
  2. What could be product Y? Write its chemical formula.
  3. What is the common name of the solution of Y which is used for testing carbon dioxide gas?
  4. Write chemical equation of the reaction which takes place on adding water to solid X.
  5. Which characteristic of chemical reactions is illustrated by this example?

Write the balanced chemical equation of the following reaction.

copper + nitric acid → copper nitrate + nitric oxide + water


Write word equation for the following molecular equation:

\[\ce{H2 [g] + Cl2 [g] ->[sunlight] 2HCl}\]

Word equation:

State which form of energy is utilised in the above chemical reaction.


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:

Dilute hydrochloric acid to silver nitrate.


With reference to a chemical equation state which of the statements 1 to 5 pertain to A or B.
A: Information provided by a chemical equation. 
B: Limitations of a chemical equation.

  1. The nature of the individual elements.
  2. The speed of the reaction.
  3. The state of matter in which the substance is present.
  4. The completion of the reaction.
  5. The direction of the reaction.

Balance the given chemical reaction as per the instructions below.

\[\ce{NaOH + H2SO4 -> Na2SO4 + H2O}\]

Balance the equation with proper coefficient and rewrite the equation.


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