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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
Translate the following statement into a chemical equation and then balance it.
Barium chloride reacts with aluminium sulphate to give aluminium chloride and a precipitate of barium sulphate.
What is meant by a chemical reaction? Explain with the help of an example.
Write symbolic representation for the following word equation and balance them :
Calcium carbonate → Calcium oxide + Carbon dioxide.
Write the balanced chemical equation of the following reaction.
zinc sulphide + oxygen → zinc oxide + sulphur dioxide
\[\ce{MnO2 + 4HCl -> MnCl2 + 2H2O + Cl2}\]
0.02 moles of pure MnO2 is heated strongly with conc. HCl. Calculate the mass of chlorine gas formed.
Define: Endothermic reaction
Answer the following question:
How do acids and bases react with each other? What is the name of the process? What product is obtained from these reactions?
Write word equation for the following molecular equation:
\[\ce{CaCO3 + 2HCl ->[\triangle] CaCl2 + H2O + CO2 [g]}\]
Word equation:
State which characteristic does [g] in the above reaction indicate. The word equation of:
Balance the following simple equation:
Zn + HCl → ZnCl2 + H2
Balance the following simple equation:
\[\ce{N2 + H2 <=> NH3}\]
