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प्रश्न
Balance the following equation:
Na2O + H2O → NaOH
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उत्तर
Na2O + H2O → 2NaOH
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संबंधित प्रश्न
Write a balanced molecular equation for the following word equation:
\[\ce{Calcium + oxygen->Calcium oxide}\]
Balance the following equation:
\[\ce{ZnO + NaOH->Na2ZnO2 + H2O}\]
Balance the following important equation:
\[\ce{AgCl + NH4OH -> Ag(NH3)2Cl + H2O}\]
Balance the following important equation:
Mg3N2 + H2O → Mg(OH)2 + NH3
A teacher gave two test tubes to the students, one containing water and the other containing sodium hydroxide. She asked them to identify the test tube containing sodium hydroxide solution. Which one of the following can be used for identification?
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"`
A magnesium ribbon is burnt in oxygen to give a white compound ‘X’ accompanied by emission of light. If the burning ribbon is now placed in an atmosphere of nitrogen, it continues to burn and forms a compound ‘Y’.
- Write the chemical formulae of X and Y.
- Write a balanced chemical equations when X and Y are dissolved in water.
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:
\[\ce{NH4Cl + Ca(OH)2 ->}\]
