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प्रश्न
When an ammonium salt is warmed with a sodium hydroxide solution, a gas is evolved. State three ways in which you can identify this gas.
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उत्तर
Three ways in which ammonia gas can be identified is:
It has a sharp characteristic odour When a glass rod dipped in HCl is brought in contact with the gas white colour fumes of ammonium chloride are formed It turns moist red litmus blue, moist turmeric paper brown and phenolphthalein solution pink.
संबंधित प्रश्न
Name a metallic chloride soluble in ammonium hydroxide.
List the properties of ammonia that make it
(i) A good refrigerant
(ii) A cleaning agent
(iii) As a source of hydrogen
Choose the correct word or phrase from the bracket to complete the following sentence:
Heating ammonium chloride with sodium hydroxide produces ______.
Identify the substance underlined, in the following case:
Cation that does not form a precipitate with ammonium hydroxide but forms one with sodium hydroxide.
Identify the substance underlined, in the following case:
A solid formed by reaction of two gaes, one of which is acidic and the other basic in nature.
Given one test can be used to detect the presence of the ion produced
The diagram shows an experimental set up for the laboratory preparation of a pungent smelling gas. The gas is alkaline in nature.
- Nature the gas collected in the jar.
- Write the balance equation for the above preparation.
- How is the gas being collected?
- Name the drying agent used.
- How will you find that the jar is full of gas?
What do you observe when Excess ammonia is mixed with chlorine.
What do you observe when Filter paper dipped in colourless phenolphthalein is introduced into ammonia.
