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प्रश्न
What is the chemical equation. How is it represented?
उत्तर
“Chemical equation is a short form – representing the result of a chemical change.”
OR
“Is the representation of a chemical change.”
APPEARS IN
संबंधित प्रश्न
Differentiate between:
A balanced and an unbalanced chemical equation.
Balance the following equation:
N2 + H2 → NH3
Underline the incorrectly balanced compound equation and rewrite the correct equation.
\[\ce{2Na + 3H2O->2NaOH + H2}\]
Balance the following important equation:
Pb(NO3)2 + NaCl → NaNO3 + PbCl2
Balance the following important equation:
FeCl3 + NaOH → NaCl + Fe(OH)3
Balance the following important equation:
NH3 + O2 → N2 + H2O (burning of NH3)
Balance the following important equation:
Ca(HCO3)2 + HNO3 → Ca(NO3)2 + H2O + CO2
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"`
Complete the missing component /variable given as x and y in the following reactions
`"Zn"("s") + "H"_2"SO"_4("aq") -> "ZnSO"_4(x) + "H"_2("y")`
Complete and balance the following equation:
\[\ce{NH4Cl + Ca(OH)2 ->}\]