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प्रश्न
What is meant by the following term?
Aqua regia
उत्तर
Aqua Regia: It is a mixture of concentrated nitric acid and concentrated hydrochloric acid in proportionof 1:3 (by volume).
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संबंधित प्रश्न
Correct the following, if required:
\[\ce{HNO3}\] is a strong reducing agent.
Correct the following, if required:
\[\ce{NaNO3}\] gives \[\ce{NO2}\] and \[\ce{O2}\] on heating.
Correct the following, if required:
Nitric acid remains colourless even when exposed to light.
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 on heating decomposes into dinitrogen oxide [nitrous oxide] and steam.
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)
How does nitric acid formed in the atmosphere?
Mention three important uses of nitric acid. Give the property of nitric acid involved in the use.
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 ________]