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प्रश्न
What is meant by the following term?
Aqua regia
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उत्तर
It is a mixture of concentrated nitric acid and concentrated hydrochloric acid in proportionof 1:3 (by volume).
संबंधित प्रश्न
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
Complete the following equations :
3 Cu + dil. HNO3
How does nitric acid formed in the atmosphere?
What is meant by the following term?
Aqua Fortis
Name the following:
A nitrate which has no water of crystallization.
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 ________]
Differentiate between the following pair based on the criteria given:
Sulphuric acid and Nitric acid (using barium chloride solution)
Give a balanced equation for the following:
Oxidation of carbon with conc. nitric acid.
