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प्रश्न
Give a balanced equation for the following:
Oxidation of carbon with conc. nitric acid.
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उत्तर
\[\ce{C + 4HNO3 -> CO2 + 2H2O + 4NO2}\]
संबंधित प्रश्न
Correct the following, if required:
NaNO3 gives NO2 and O2 on heating.
From the following list of substances, choose one substance in each case which matches the description given below:
Ammonium nitrate, calcium hydrogen carbonate, copper carbonate, lead nitrate, potassium nitrate, sodium carbonate, sodium hydrogen carbonate, zinc carbonate.
A nitrate which gives off oxygen and nitrogen dioxide when heated.
Fill in the blank:
The catalytic oxidation of ammonia to nitric oxide is ------------. (exothermic / endothermic)
process.
Fill in the blank :
Magnesium gives ------------(O2, H2, NO) with very dilute nitric acid.
Fill in the blank:
------------ (iron / copper) become passive in concentrated nitric acid
Distinguish between the following pairs of compounds using the reagent given in the bracket.
Dilute hydrochloric acid and dilute sulphuric acid. (Using lead nitrate solution)
What is meant by the following term?
Aqua regia
Give two tests of the following:
NH3
State the effect of adding a small amount of : (a) sodium hydroxide (b) ammonium hydroxide followed by an excess in case to samples of the salt solutions.
Calcium nitrate [ small amount __________ in excess __________ ]
Differentiate between the following pairs based on the odourless gas which turns lime water milky and the criteria given:
Sulphuric acid and Nitric acid (using barium chloride solution)
