Advertisements
Advertisements
Question
Correct the following, if required:
Constant boiling nitric acid contains 80% nitric acid by weight.
Advertisements
Solution
Constant boiling nitric acid contains 68% nitric acid by weight.
RELATED QUESTIONS
Correct the following, if required:
NaNO3 gives NO2 and O2 on heating.
Correct the following, if required:
Nitric acid remains colourless even when exposed to light.
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 on heating decomposes into dinitrogen oxide [nitrous oxide] and steam.
Fill in the blank:
------------ (iron / copper) become passive in concentrated nitric acid
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
Name the following:
A nitrate which has no water of crystallization.
Give two tests of the following:
NH3
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 ________]
