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प्रश्न
Explain the following:
Ammonia solution is used in the laboratory to identify metalions.
उत्तर
Ammonium hydroxide precipitates hydroxides of metals, which differ in
colour and solubility in excess of ammonium hydroxide. Thus it is used
inidenti fication of metalions.
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संबंधित प्रश्न
Write a balanced chemical equation for the preparation of the following salts
Ammonium sulphate crystals
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.
Name a simple method you would employ to prepare ammonium salts in your laboratory.
Give reasons:
Conc. \[\ce{H2SO4}\] is a good drying agent, yet it is not used to dry \[\ce{NH3}\].
Give reasons:
In the lab. preparation of ammonia calcium hydroxide is used in excess.
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:
Write a balanced chemical equation for its preparation.
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 ______.
Rewrite the following statement by adding the correct word, as shown in the example:
|
Example: Given Statement: Ammonia changes moist red litmus to blue. Correct Statement: Aqueous ammonia changes moist red litmus to blue. |
Ammonia reacts with chlorine to give ammonium chloride and nitrogen.
