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प्रश्न
Name a nitrate which on heating leaves no residue behind.
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उत्तर
Ammonium nitrate (NH4NO3)
\[\ce{NH4NO3 ->[\Delta] 2H2O + N2O}\]
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संबंधित प्रश्न
Correct the following, if required:
NaNO3 gives NO2 and O2 on heating.
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.
Complete the following equations :
3 Cu + dil. HNO3
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.
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 ________]
