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प्रश्न
State one observation for the following:
Concentrated nitric acid is reacted with sulphur.
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उत्तर
Concentrated nitric acid is a strong oxidising agent that converts sulphur to sulphuric acid, along with water and nitrogen dioxide.
\[\ce{S + 6HNO3 -> H2SO4 + 2H2O + 6NO2}\]
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संबंधित प्रश्न
Correct the following, if required:
Constant boiling nitric acid contains 80% nitric acid by weight.
Correct the following, if required:
Nitric acid remains colourless even when exposed to light.
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
Complete the following equations :
3 Cu + dil. HNO3
What is meant by the following term?
Aqua Fortis
What is meant by the following term?
Aqua regia
Mention three important uses of nitric acid. Give the properties of the nitric acid involved in its use.
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 __________ ]
Give a balanced equation for the following:
Oxidation of carbon with conc. nitric acid.
