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प्रश्न
Write a balanced molecular equation for the following word equation:
\[\ce{Calcium + oxygen->Calcium oxide}\]
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उत्तर
\[\ce{2Ca + O2->2CaO}\]
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संबंधित प्रश्न
Balance the following equation:
H2 + O2 → H2O
Balance the following equation:
`Pb_3 O_4 → PbO+O_2`
Balance the following equation:
\[\ce{Al + H2SO4->Al2(SO4)3 + H2}\]
Balance the following equation:
\[\ce{C + H2SO4->CO2 + H2O + SO2}\]
Underline the incorrectly balanced compound equation and rewrite the correct equation.
\[\ce{N2 + 3H2⇌NH3}\]
Balance the following important equation:
(NH4)2SO4 + NaOH → Na2SO4 + H2O + NH3
Balance the following important equation:
NH3 + CuO → Cu + H2O + N2
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 and balance the following equation:
\[\ce{C2H4Br2 + alcoholic KOH ->[\Delta]}\]
