Advertisements
Advertisements
प्रश्न
Why it is necessary to balance a chemical equation ?
उत्तर
A chemical equation needs to be balanced so as to make the number of the atoms of the reactants equal to the number of the atoms of the products.
APPEARS IN
संबंधित प्रश्न
Write balanced chemical equations for the following word equation:
Magnesium + oxygen → Magnesium oxide
State four conditions necessary for a chemical reaction to take place.
Balance the following equation:
\[\ce{Pb3O4->PbO + O2}\]
Underline the incorrectly balanced compound equation and rewrite the correct equation.
\[\ce{Fe2O3 + 2H2->2Fe + 3H2O}\]
Balance the following important equation:
Ca(HCO3)2 + HNO3 → Ca(NO3)2 + H2O + CO2
Balance the following important equation:
Cu + H2SO4 (conc.) → CuSO4 + H2O + SO2
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")`
Which among the following change is exothermic or endothermic in nature?
Decomposition of ferrous sulphate
Ferrous sulphate decomposes with the evolution of a gas having a characteristic smell of burning sulphur. Write the chemical reaction involved and identify the type of reaction.
Complete and balance the following equation:
\[\ce{CuSO4 + NH3OH ->}\]
