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प्रश्न
What is meant by the following term?
Aqua Fortis
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उत्तर
It is another name for nitric acid; it is also known as strong water. It was called so because earlier this was the only liquid which could dissolve many metals including silver.
संबंधित प्रश्न
Correct the following, if required:
NaNO3 gives NO2 and O2 on heating.
Name a nitrate which on heating leaves no residue behind.
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 ------------.
Fill in the blank:
------------ (iron / copper) become passive in concentrated nitric acid
State one observation for the following:
Concentrated nitric acid is reacted with sulphur.
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.
Zinc nitrate [ small amount ________ in excess ________]
Give a balanced equation for the following:
Oxidation of carbon with conc. nitric acid.
