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प्रश्न
What property of ammonia is demonstrated by the fountain experiment?
Which property of ammonia is demonstrated by the fountain experiment?
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उत्तर
In the fountain experiment, two properties of ammonia are demonstrated. It is highly soluble in water. It’s an alkaline gas. If a few drops of phenolphthalein solution were added earlier to the water, it would turn pink as it entered the flask.
संबंधित प्रश्न
State what you observe when a piece of moist red litmus paper is placed in a gas jar of ammonia.
Mention two possible ways by which ammonia produced is removed from unchanged gases.
Choose the correct word or phrase from the bracket to complete the following sentences.
Heating solution of ammonium chloride with sodium nitrite produces ______
State your observation for the following cases
(i) Ammonia gas is burnt in an atomosphere of oxygen in the absence of a catalyst
(ii) Glass rod dipped in ammonium hydroxide is brought near the mouth of the concentrated hydrochloric acid bottle
The diagram shows a simple arrangement of the fountain experiment:
(i) Name the two gases you have studied which can be used in this experiment
(ii) What is the common properly demonstrated by this experiment
Name the gas evolved when the following mixtures are heated.
Calcium hydroxide and ammonium chloride.
Identify the substance underlined, in the following case:
Cation that does not form a precipitate with ammonium hydroxide but forms one with sodium hydroxide.
What do you observe when Filter paper dipped in colourless phenolphthalein is introduced into ammonia.
What do you observe when Ammonia is passed over heated lead oxide.
State a relevant reason for the following:
Ammonia gas is not collected over water.
