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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:
`Fe+ H_2O → Fe_3 O_4+H_2`
Name the type of chemical reaction shown by the following equation.
NaOH + HCI → NaCI + H2O
Balance the following equation stepwise.
\[\ce{NaOH + H2SO4 -> Na2SO4 + H2O}\]
Write balanced chemical equation for the following word equation:
Magnesium + dil. sulphuric acid → Magnesium sulphate + hydrogen
Write a balanced molecular equation for the following word equation:
\[\ce{Calcium + oxygen->Calcium oxide}\]
Which of the following is true for an unbalanced chemical equation?
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
`"Cu"("s") + 2"AgNO"_3("aq") -> "Cu"("NO"_3)_2("aq") + x("s")`
Mention any two information conveyed by a balanced chemical equation.
