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प्रश्न
What do you observe when?
Scrap zinc is heated with conc. HNO3?
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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
Write balanced chemical equations for Action of hot and concentrated Nitric acid on copper
Why is freshly prepared ferrous sulphate solution used for testing the nitrate radical in the brown ring test?
Give reason for the following:
In laboratory preparation of nitric acid all the apparatus including cork should be made up of glass.
Write balanced equation and name the product formed when :
Zinc reacts with dilute nitric acid.
What happens when (Given balanced equation) :
Sulphar is added to hot and conc. HNO3?
What happens when (Given balanced equation):
Nitric acid is added to Kl (aq)?
Complete and balance the following equation :
C + HNO3 → ___________
State the conditions for the oxidation of ammonia to nitrogen monoxide [nitric oxide], in the manufacture of nitric acid by Ostwald's process. Write the balanced equcation for the reaction.
Identify the gas evolved when sulphur is treated with concentrated nitric acid.
A dilute acid B does not normally give hydrogen when reacted with metals but does give a gas when it reacts with copper. Identify B. Write the equation with copper.
