Advertisements
Advertisements
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.
Advertisements
उत्तर
`"NaHCO"_3 + "HCl" ("aq") -> "NaCl"("aq") + "H"_2"O"("aq") + "CO"_2("g")`
APPEARS IN
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?
- `2"KClO"_3 overset("Heat")(->) 2"KCl" + 3"O"_2`
- `"MgO" + "H"_2"O" -> "Mg"("OH")_2`
- `4"Al" + 3"O"_2 -> 2"Al"_2"O"_3`
- `"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:
\[\ce{Cu + Conc{.} HNO3 ->}\]
