मराठी

Write the balanced chemical equation for the following reaction Sodium hydrogencarbonate on reaction with hydrochloric acid gives sodium chloride, water and liberates carbon dioxide.

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प्रश्न

Write the balanced chemical equation for the following reaction

Sodium hydrogencarbonate on reaction with hydrochloric acid gives sodium chloride, water and liberates carbon dioxide.

एका वाक्यात उत्तर
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उत्तर

`"NaHCO"_3 + "HCl" ("aq") -> "NaCl"("aq") + "H"_2"O"("aq") + "CO"_2("g")`

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पाठ 1: Chemical Reactions and Equations - Exemplar [पृष्ठ ६]

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एनसीईआरटी एक्झांप्लर Science Exemplar Class 10
पाठ 1 Chemical Reactions and Equations
Exemplar | Q 25. (b) | पृष्ठ ६

संबंधित प्रश्‍न

Differentiate between:

Reactants and products.


Write balanced chemical equations for the reactions represented by word equations in the conditions for a chemical reaction.


Balance the following equation. Also name the products formed.

`KCIO_3          →    KCI +O_2`


Balance the following equation. Also name the products formed.

`H_2 + CI_2     →   HCI`


Chemical equations suffer from a number of limitations. State the main limitations of a chemical equation.


Write a balanced molecular equation for the following word equation:

\[\ce{Calcium + water->Calcium hydroxide + hydrogen}\]


Balance the following equation:

\[\ce{Al + H2SO4->Al2(SO4)3 + H2}\]


Balance the following equation:

\[\ce{Pb3O4->PbO + O2}\]


Underline the incorrectly balanced compound equation and rewrite the correct equation.

\[\ce{Fe2O3 + 2H2->2Fe + 3H2O}\]


Underline the incorrectly balanced compound equation and rewrite the correct equation.

\[\ce{2Al + 2H2SO4->Al2(SO4)3 + 3H2}\]


Balance the following important equation:

Pb(OH)2 + NaOH → Na2PbO2 + H2O  


Balance the following important equation:

Al2O3.2H2O + NaOH → NaAlO2 + H2O  


Balance the following important equation:

NH3 + CuO → Cu + H2O + N2 


A chemical reaction does not involve:


Magnesium ribbon is rubbed before burning because it has a coating of ____________.


Which of the following are combination reactions?

  1. `2"KClO"_3 overset("Heat")(->) 2"KCl" + 3"O"_2`
  2. `"MgO" + "H"_2"O" -> "Mg"("OH")_2`
  3. `4"Al" + 3"O"_2 -> 2"Al"_2"O"_3`
  4. `"Zn" + "FeSO"_4 -> "ZnSO"_4 + "Fe"`

What are the points to be followed while balancing a chemical equation?


Identify the types of reaction mentioned above. Give one example for type in the form of a balanced chemical equation.


Complete and balance the following equation:

\[\ce{Cu + Conc{.} HNO3 ->}\]


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