Advertisements
Advertisements
प्रश्न
Give reasons:
In the lab. preparation of ammonia calcium hydroxide is used in excess.
उत्तर
In order to better mix ammonium chloride, calcium hydroxide is used in excess. Calcium hydroxide is used, as it is cheap and not deliquescent like other alkalies.
APPEARS IN
संबंधित प्रश्न
Write a balanced chemical equation for the following:
Laboratory preparation of ammonia from ammonium chloride.
Write a balanced chemical equation for the preparation of the following salts
Ammonium sulphate crystals
Write balanced chemical equations for Action of warm water on AIN.
Choose the correct word or phrase from the options to complete the following sentence and write balanced equation for the same.
Ammonium chloride is a soluble salt prepared by ______.
Name the gas which is prepared by Haber's process.
Laboratory preparation of ammonia from aammonia chloride
How is ammonia gas prepared in laboratory starting from NH4Cl? State the conditions and balanced equation for the preparation.
Give reasons:
Ammonium nitrate is not used in the preparation of ammonia.
Ammonia is manufactured by Haber Process.
Under what conditions do the reactants combine to form ammonia? Give a balanced equation for the reaction.
Ammonia is manufactured by Haber Process.
State whether the formation of ammonia is promoted by the use of high pressure or low pressure?
Give the chemical equation(s) to prove that \[\ce{NH3}\] contains nitrogen and hydrogen.
Write observations:
Ammonia gas is passed over heated copper (II) oxide.
State the observation for the following, when:
A glass rod dipped in concentrated HCl acid is brought near ammonia gas.
The following question pertains to the laboratory preparation of Ammonia gas from Magnesium nitride:
Why is the method seldom used?
Ammonia gas is collected by downward displacement of air since ammonia is ______.
