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प्रश्न
Explain the following:
Ca(OH)2 is preferred over NaOH in the preparation of ammonia.
उत्तर
Calcium hydroxide is preferred as it is cheap and not deliquescent like
NaOH or KOH.
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संबंधित प्रश्न
Write a balanced chemical equation for the following:
Laboratory preparation of ammonia from ammonium chloride.
Explain the following:
Ammonia solution is used in the laboratory to identify metalions.
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.
In what ratio by volume, are the above gases used?
Ammonia is manufactured by Haber Process.
State whether the formation of ammonia is promoted by the use of high pressure or low pressure?
Give a balanced equation:
Ammonium hydroxide is added to ferrous sulphate solution.
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:
How do you identify the gas that formed?
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.
