मराठी

Explain the Following: Ca(Oh)2 Is Preferred Over Naoh in the Preparation of Ammonia. - Chemistry

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प्रश्न

Explain the following:

Ca(OH)2 is preferred over NaOH in the preparation of ammonia.

एका वाक्यात उत्तर

उत्तर

Calcium hydroxide is preferred as it is cheap and not deliquescent like
NaOH or KOH.

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Laboratory Preparation of Ammonia Gas
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 9.1: Ammonia - Exercise 2 [पृष्ठ २२०]

APPEARS IN

फ्रँक Chemistry - Part 2 [English] Class 10 ICSE
पाठ 9.1 Ammonia
Exercise 2 | Q 11.03 | पृष्ठ २२०

संबंधित प्रश्‍न

Write a balanced chemical equation for the preparation of the following salts

Ammonium sulphate crystals


Give balanced chemical equations for Lab preparation of ammonia using an ammonium salt


Explain the following:

 Ammonia solution is used in the laboratory to identify metalions.


During the laboratory preparation, how is ammonia dried and collected?

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.


A substance 'A' was heated with slaked lime and a gas 'B' with the pungent smell was obtained. Name the substances A and B and give a balanced equation.


Give reasons:

Ammonium nitrate is not used in the preparation of ammonia.


Give reasons:

In the lab. preparation of ammonia calcium hydroxide is used in excess.


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?


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.


The following question pertains to the laboratory preparation of Ammonia gas from Magnesium nitride:

Why is the method seldom used?


The following question pertains to the laboratory preparation of Ammonia gas from Magnesium nitride:

How do you identify the gas that formed?


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.


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