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प्रश्न
Differentiate between:
A balanced and an unbalanced chemical equation.
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उत्तर
- Balanced chemical:
A balanced chemical reaction is one in which the number of atoms of each element on the reactant side is equal to the number of atoms of that element on the product side.
Example: H2 + Cl2 → 2HCl - Unbalanced chemical:
The number of elements on the reactant side is not equal to the number of elements on the product side.
Example: H2 + Cl2 → HCl
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संबंधित प्रश्न
Balance the following equation:
\[\ce{KHCO3->K2CO3 + H2O + CO2}\]
Underline the incorrectly balanced compound equation and rewrite the correct equation.
\[\ce{4P + 4O2->2P2O5}\]
Balance the following important equation:
Na2CO3 + HCl → NaCl + H2O + CO2
Balance the following important equation:
Pb(NO3)2 + HCl → PbCl2 + HNO3
Balance the following important equation:
C + H2SO4 (conc.) → CO2 + H2O + SO2
A chemical reaction does not involve:
Barium chloride on reacting with ammonium sulphate forms barium sulphate and ammonium chloride. Which of the following correctly represents the type of the reaction involved?
- Displacement reaction
- Precipitation reaction
- Combination reaction
- Double displacement reaction
Complete the missing component /variable given as x and y in the following reactions :
`"Pb"("NO"_3)_2("aq") + 2"Kl"("aq") -> "Pbl"_2(x) + 2"KNO"_3("y")`
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:
\[\ce{NH4Cl + Ca(OH)2 ->}\]
