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प्रश्न
What do you observe when?
Scrap zinc is heated with conc. HNO3?
उत्तर
When scrap zinc is heated with conc, HNO3 formation of zinc nitrate, water and nitrogen dioxide will occur.
\[\ce{Zn + 4HNO3 -> Zn(NO3)2 + 2H2O + 2NO2}\]
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संबंधित प्रश्न
Explain the following:
Concentrated nitric add appears yellow when it is left standing in a glass bottle.
Ammonia is used in the Ostwald process.
Name the catalyst used in the process.
Give two chemical equations for the following:
Reactions of nitric acid with non-metals
Name the Following:
Two coloured nitrates.
Nitric acid cannot be concentrated beyond 68% by the distillation of a dilute solution of HNO3, State the reason.
Complete and balance the following equation :
C + HNO3 → ___________
During a thunderstorm, the rainwater contains nitric acid. The nitric acid is formed as a result of three chemical reactions. Describe or write balanced chemical equation for these three reactions.
The first step in the manufacture of nitric acid is the catalytic oxidation of ammonia. What is the name of the catalyst?
Write the equation for the reaction of dilute nitric acid with copper.
Give one test to distinguish between the following pair of chemicals.
Zinc nitrate solution and calcium nitrate solution.
