Advertisements
Advertisements
प्रश्न
Correct the following, if required:
Constant boiling nitric acid contains 80% nitric acid by weight.
Advertisements
उत्तर
Constant boiling nitric acid contains 68% nitric acid by weight.
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 only oxygen when heated
Fill in the blank:
Aqua regia is a mixture of 3 parts ------------ and one part ------------.
Fill in the blank :
Magnesium gives ------------(O2, H2, NO) with very dilute nitric acid.
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
What is meant by the following term?
Aqua regia
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.
Calcium nitrate [ small amount __________ in excess __________ ]
