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प्रश्न
Balance the following equation:
NO2 +H2O → HNO2 + HNO3
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उत्तर
2NO2 + H2O → HNO2 + HNO3
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संबंधित प्रश्न
Give one example of a chemical reaction characterised by a change in state.
State one characteristic of the chemical reaction which takes place when quicklime is treated with water.
When the solution of substance X is added to a solution of potassium iodide, then a yellow solid separates out from the solution.
- What do you think substance X is likely to be?
- Name the substance which the yellow solid consists of.
- Which characteristic of chemical reactions is illustrated by this example?
- Write a balanced chemical equation for the reaction which takes place. Mention the physical states of all the reactants and products involved in the chemical equation.
A white precipitate will be formed if we add common salt solution to ______.
Write symbolic representation for the following word equation and balance them :
Aluminium + Chlorine → Aluminium chloride.
Balance the following equation. Also name the products formed.
`"Mg" + "O"_2 → "MgO"`
Write the balanced chemical equation of the following reaction.
barium chloride + sulphuric acid → barium sulphate + hydrochloric acid
\[\ce{MnO2 + 4HCl -> MnCl2 + 2H2O + Cl2}\]
0.02 moles of pure MnO2 is heated strongly with conc. HCl. Calculate moles of acid required.
\[\ce{2KClO3->[MnO2] 2KCl + 3O2[g] - is a balanced equation.}\]
State what is a ‘balanced equation’.
Balance the following simple equation:
Mg + CO2 → MgO + C
