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सी.आई.एस.सी.ई.आयसीएसई ICSE Class 7

Balance the Following Equation. Also Name the Products Formed. Mg + O_2 → Mgo - Chemistry

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प्रश्न

Balance the following equation. Also name the products formed. 

`"Mg" + "O"_2  →  "MgO"`

एका वाक्यात उत्तर
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उत्तर

`"Mg" + "O"_2  →  "MgO"` Magnesium oxide

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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 5.04

संबंधित प्रश्‍न

Translate the following statement into chemical equation and then balance it.

Barium chloride reacts with aluminium sulphate to give aluminium chloride and a precipitate of barium sulphate.


Which of the following is not an endothermic reaction?

(a) CaCO3 → CaO  +  CO2

(b) 2H2O →2H2 + O2

(c) 6CO2 + 6H2O → C6H12O6  +  6O2

(d) C6H12O6  + 6O2 → 6CO2  + 6H2O


Balance the following chemical equation :

FeS + HCl →  FeCl2 + H2S


What is the limitation of the reaction given in question 2?


When a potassium iodide solution is added to a solution of lead (II) nitrate in a test tube, a precipitate is formed.

Write the balanced chemical equation for this reaction.


Balance the following simple equation:

NO   +   O2  →  NO2 


Write a balanced equation for the following word equation:

Potassium nitrate → Potassium nitrite + Oxygen


Write the skeleton equation for the following word equation and then balance them.

  1. Carbon + Oxygen → Carbon dioxide.
  2. Phosphorus + Chlorine → Phosphorus pentachloride.
  3. Sulphur + Oxygen → Sulphur dioxide.
  4. Magnesium + hydrogen → Magnesium + Hydrogen chloride chloride.

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

Which of the following is the correct observation of the reaction shown in the above set up?


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