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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
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 on heating decomposes into dinitrogen oxide [nitrous oxide] and steam.
Fill in the blank :
Magnesium gives ------------(O2, H2, NO) with very dilute nitric acid.
State one observation for the following:
Concentrated nitric acid is reacted with sulphur.
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)
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
Give two tests of the following:
NH3
Give a balanced equation for the following:
Oxidation of carbon with conc. nitric acid.
