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सी.आई.एस.सी.ई.आयसीएसई ICSE Class 7

Balance the Following Equation. Also Name the Product Formed. Na+ H_2 O → Naoh+ H_2 - Chemistry

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प्रश्न

Balance the following equation. Also name the product formed. 

`"Na"+ "H"_2 "O" → "NaOH"+ "H"_2`

एका वाक्यात उत्तर
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उत्तर

`"Na"+ "H"_2 "O" → "NaOH"+ "H"_2`  Sodium hydroxide, Hydrogen 

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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 5.08

संबंधित प्रश्‍न

Balance the gievn equation:

NaOH + H2SO4  Na2SO4 + H2O


Write the balanced equation for the following reaction, and add the state symbols:

Sodium hydroxide reacts with sulphuric acid to produce sodium sulphate and water.


Balance the following equation:

PbS + O2 → PbO + SO2


What information does the following chemical equation convey?

Zn + H2SO4 → ZnSO4+ H2


How is a flame test performed?


A student mixes sodium sulphate powder in barium chloride powder. What change would the student observe on mixing the two powders? Justify your answer and explain how he can obtain the desired change.


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.

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

To balance the following chemical equation the value of x and y should respectively be:

\[\ce{2NaOH + xAl_2O_3->yNaAlO_2 + H_2O}\]


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