Question

A salt is heated with NaOH product and ammonia gas, which terns colour of moist turmeric paper
A) reddish brown
B) yellow
C) blue
D) black
select the correct answer ​

Answer 1

Answer:

May be option c) Blue is correct.

Answer 2

Answer:

The correct option is A) reddish brown

Explanation:

• Ammonia gas is produced when a sodium hydroxide solution is heated with an ammonium salt.
• With the chemical formula NH3, ammonia is a nitrogen and hydrogen combination.
• Ammonia, the simplest nitrogen hydride and a stable binary hydride, is a colourless gas with a strong, pungent odour.
• Ammonia is a colourless gas that is very unpleasant and has a strong, oppressive smell. It is hygroscopic and known as anhydrous ammonia in its purest form (readily absorbs moisture).
• Ammonia is corrosive and has alkaline characteristics.
• The unusually intense smell of ammonia makes its ammoniacal smell clearly distinguishable.
• Ammonia turns wet turmeric paper brown and wet red litmus blue.
• Turmeric paste turns reddish brown when it is exposed to bases.

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