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Balance the Following Equation: Nahco3 → Na2co3 + H2o + Co2 - Chemistry

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प्रश्न

Balance the following equation:

NaHCO3 → Na2CO3 + H2O + CO2

एक शब्द/वाक्यांश उत्तर

उत्तर

2NaHCO3 → Na2CO3 + H2O + CO2

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पाठ 1: The Language of Chemistry - Exercise 1 (B) [पृष्ठ १५]

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सेलिना Concise Chemistry [English] Class 9 ICSE
पाठ 1 The Language of Chemistry
Exercise 1 (B) | Q 5.16 | पृष्ठ १५

संबंधित प्रश्‍न

The chemical reaction between two substances is characterised by a change in colour from orange to green. These two substances are most likely to be:
(a) potassium dichromate solution and sulphur dioxide
(b) potassium permanganate solution and sulphur dioxide
(c) potassium permanganate solution  and lemon juice
(d) potassium dichromate solution and carbon dioxide.


The removal of oxygen from a substance is called:
(a) oxidation
(b) corrosion
(c) reduction
(d) rancidity


Write symbolic representation for the following word equation and balance them :

Calcium carbonate → Calcium oxide + Carbon dioxide.


In the experiment for determining the percentage of water absorbed by raisins, we do the final weighing of the raisins after keeping them dipped in water for about one hour. For the accuracy of the result, the extra water from the surface of the soaked raisins is removed by


Write the chemical equation for the following word equation and balance them.

Sodium reacts with water to form sodium hydroxide and hydrogen


Complete the following blank in the equation as indicated.

\[\ce{CaH2_{(s)} + 2H2O_{( aq)}-> Ca(OH)2_{(s)} + 2H2_{(g)}}\]

Moles: 1 mole + ______ `→` ______ + ______


Name the following:

Two gases which react under pressure in presence of a catalyst at elevated temperatures to give a gaseous product.


Balance the following simple equation:

NO   +   O2  →  NO2 


The following reaction is an example of a `4"NH"_3("g") + "SO"_2 -> 4"NO"("g") + 6"H"_2"O"("g")`

  1. displacement reaction
  2. combination reaction
  3.  redox reaction
  4. neutralisation reaction

Complete the following blank in the equation as indicated.

\[\ce{CaH2_{(s)} + 2H2O_{( aq)}-> Ca(OH)2_{(s)} + 2H2_{(g)}}\]

Molecules: 6.02 × 1023 + ______ `→` ______ + ______


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