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प्रश्न
Why it is necessary to balance a chemical equation ?
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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.
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संबंधित प्रश्न
What is a chemical equation ?
Balance the following equation:
N2 + H2 → NH3
Balance the following equation:
\[\ce{Al + H2SO4->Al2(SO4)3 + H2}\]
Balance the following equation:
\[\ce{FeCl3 + NaOH->NaCl + Fe(OH)3}\]
Underline the incorrectly balanced compound equation and rewrite the correct equation.
\[\ce{Fe2O3 + 2H2->2Fe + 3H2O}\]
The following reaction is used for the preparation of oxygen gas in the laboratory
`2"KClO"_3("s") overset("Heat")underset("Catalyst")(->) 2"KCl"("s") + 3"O"_2 ("g")`
Which of the following statement(s) is(are) correct about the reaction ?
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 the missing component/variable given as x and y in the following reactions
`"CaCO"_2(s)overset(x)(->) "CaO"("s") + "CO"_2("g")`
Write the balanced chemical equation for the following reaction
Copper sulphate on treatment with potassium iodide precipitates cuprous iodide (Cu2I2), liberates iodine gas and also forms potassium sulphate.
Write a balanced chemical equation of the following reaction and also classify them.
Hydrogen sulphide gas reacts with oxygen gas to form solid sulphur and liquid water.
