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प्रश्न
Why do we need to balance chemical equations?
Why do we balance a chemical equation?
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उत्तर
A chemical equation needs to be balanced so as to make the number of atoms of the reactants equal to the number of atoms of the products.
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संबंधित प्रश्न
On what basis is a chemical equation balanced?
Write a complete balanced equation for the following reaction:
\[\ce{Calcium (solid) + Water (liquid) -> Calcium hydroxide (solution) + Hydrogen (gas)}\]
Name the type of chemical reaction shown by the following equation:
Fe + CuSO4 → FeSO4 +Cu
Balance the following equation:
Ca + N2 → Ca3N2
Balance the following equation:
C + H2SO4 → CO2 + H2O + SO2
Balance the following equation:
Zn + HNO3 `→` Zn(NO3)2 + H2O + NO2
Representation of the results of a chemical change – is a chemical equation.
For the equation: FeCl3 + 3NH4OH 3NH4Cl + Fe(OH)3 ↓
Answer the following:
What is the indications of the arrow between the reactants and the products and of the arrow pointing downwards at the end.
Give word equation for the following chemical reaction and give the names of the product formed.
NH3 + HCl→ NH4Cl
Name the following:
The gas evolved when a dilute acid is added to chalk [limestone].
Balance the following simple equation:
Zn + HCl → ZnCl2 + H2
