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प्रश्न
Balance the following equation:
Zn + HNO3 `→` Zn(NO3)2 + H2O + NO2
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उत्तर
Zn + 4HNO3 `→` Zn(NO3)2 + 2H2O + 2NO2
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संबंधित प्रश्न
The chemical equations are balanced to satisfy one of the following laws in chemical reactions. This law is known as ______.
Express the following facts in the form of a balanced chemical equation:
“When a strip of copper metal is placed in a solution of silver nitrate, metallic silver is precipitated and a solution containing copper nitrate is formed”.
Write your observation and name the product when An aqueous solution of barium chloride is added to dilute sulphuric acid.
Write the chemical equation for the following word equation and balance them.
Calcium + Nitrogen → Calcium nitride
Balance the following equation:
Fe2O3 + CO → Fe + CO2
Write the balanced chemical equation of the following reaction.
sodium chloride + manganese dioxide + sulphuric acid → sodium hydrogen sulphate + manganese sulphate + water + chlorine.
In certain reaction a change of state is observed i.e. solid to liquid, liquid to gas etc. – State the change of state of the products – to give the respective reactant.
2H2 + O2 → 2H2O
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.
Write word equation for the following chemical reaction given below. Also state the observation seen in the case.
\[\ce{2SO2 + O2 ⇌[V2O5][450°C] 2SO3}\]
Which of the following is not a physical change?
