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प्रश्न
Write a balanced equation for the following word equation:
Nitrogen dioxide + Water + Oxygen → Nitric acid
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उत्तर
4NO2 + 2H2O + O2 → 4HNO3
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संबंधित प्रश्न
When water is added gradually to a white solid X, a hissing sound is heard and a lot of heat is produced forming a product Y. A suspension of Y in water is applied to the walls of a house during white washing. A clear solution of Y is also used for testing carbon dioxide gas in the laboratory.
- What could be solid X? Write its chemical formula.
- What could be product Y? Write its chemical formula.
- What is the common name of the solution of Y which is used for testing carbon dioxide gas?
- Write chemical equation of the reaction which takes place on adding water to solid X.
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- Name the lead salt.
- Name the brown fumes.
- Write a chemical equation of the reaction involved.
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\[\ce{Na + O2 -> Na2O}\]
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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.
\[\ce{2H2O ->[electric][current] 2H2 + O2}\]
What is meant by ‘reactants’ and ‘products’ in a chemical equation?
In the chemical equation the _______ are written on the left-hand side.
Balance the given chemical reaction as per the instructions below.
\[\ce{NaOH + H2SO4 -> Na2SO4 + H2O}\]
Balance the equation with proper coefficient and rewrite the equation.
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