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प्रश्न
Correct the following, if required:
Nitric acid remains colourless even when exposed to light.
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उत्तर
Nitric acid turns yellow solution when exposed to light.
संबंधित प्रश्न
Correct the following, if required:
Constant boiling nitric acid contains 80% nitric acid by weight.
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 only oxygen when heated
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:
Aqua regia is a mixture of 3 parts ------------ and one part ------------.
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
Mention three important uses of nitric acid. Give the properties of the nitric acid involved in its use.
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.
Zinc nitrate [ small amount ________ in excess ________]
Give a balanced equation for the following:
Oxidation of carbon with conc. nitric acid.
