Advertisements
Advertisements
प्रश्न
Why is freshly prepared ferrous sulphate solution used in the ring test?
Advertisements
उत्तर
Freshly prepared ferrous sulphate solution is used in the ring test otherwise. Ferrous sulphate undergoes aerial oxidation and converts to ferric sulphate.
APPEARS IN
संबंधित प्रश्न
Ammonia is used in the Ostwald process.
What is the ratio of ammonia and air taken in this process?
Write balanced equation and name the product formed when :
Cupric oxide reacts with nitric acid.
What do you observe when?
Conc. HNO3 drops on the skin of a person?
Complete and balance the following equation :
Fe + HNO3(conc.) → _____________
Fill in the blank with appropriate word/words.
Ammonal is a mixture of ________ and __________
Give the name of a soluble lead salt and write the eqution for the action of heat on this salt. Write the equation for the preparation of nitric acid from potassium nitrate.
Name the gas evolved:
The gas produced on heating sodium nitrate.
What is the special feature of the apparatus that is used in the laboratory preparation of nitric acid?
Why should the temperature of the reaction mixture of nitric acid not be allowed to rise above 200oC?
Give a balanced equation for the following reaction:
Copper reacts with concentrated nitric acid.
