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प्रश्न
What is a chemical equation ?
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उत्तर
Chemical Equation— A chemical equation is the symbolic representation of a chemical reaction using the symbols and the formulae of the substances involved in the reaction.
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संबंधित प्रश्न
Write your observations and name the product when
Zinc reacts with dilute hydrochloric acid.
State what is a balanced equation with a relevant example. Give a reason why an equation is balanced with reference to the law of conservation of matter.
Balance the following equation:
\[\ce{K + H2O->KOH + H2}\]
Balance the following equation:
\[\ce{Na2O + H2O->NaOH}\]
Balance the following important equation:
Al + Cl2 → AlCl3
Balance the following important equation:
Pb(NO3)2 + HCl → PbCl2 + HNO3
Balance the following important equation:
Cu + HNO3 (conc.) → Cu(NO3)2 + H2O + NO2
Balance the following important equation:
S + H2SO4 (conc.) → SO2 + H2O
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")`
What are the points to be followed while balancing a chemical equation?
