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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 formula of the substances involved in the reaction.
संबंधित प्रश्न
Balance the following equation. Also name the product formed.
` "H"_2"O"_2 → "H" _2 "O" + "O"_2`
Balance the following equation. Also name the product formed.
`"Zn" + "HCI" → "ZnCI" _2 + "H"_2`
Balance the following equation. Also name the product formed.
FeCI2 + CI2 → FeCI3
\[\ce{MnO2 + 4HCl -> MnCl2 + 2H2O + Cl2}\]
0.02 moles of pure MnO2 is heated strongly with conc. HCl. Calculate mass of MnO2 used.
How is a flame test performed?
In certain reaction an insoluble solid called precipitate is formed. State the colour and name of the precipitate formed in the following reaction involving addition of:
Lead nitrate to ammonium hydroxide.?
Write word equation for the following chemical reaction given below. Also state the observation seen in the case.
NaCl + AgNo3 → AgCU ↓ + NaN03
Write word equation for the following chemical reaction given below. Also state the observation seen in the case.
Pb(NO3)2 + 2NH4OH → 2NH4N03 + Pb(OH)2↓
Write word equation for the following chemical reaction given below. Also state the observation seen in the case.
\[\ce{2SO2 + O2 ⇌[V2O5][450°C] 2SO3}\]
Balance the following simple equation:
Zn + NaOH → Na2ZnO2 + H2
