Question

Write the name of flame used in charcoal cavity test why

Answer 1

Answer:

blow pipe reducing flame

Explanation:

charcoal cavity performed by the mixture given salt with sodium carbonate and heating the mixture of the block on the charcoal with the help of blow pipe reducing flame

Answer 2

Reducing Flame is used in charcoal cavity test.

Explanation:

• Charcoal Cavity test is a 'Preliminary Test' in chemical analysis. This test is used to get the oxides of the unknown Salt.

• In this, the unknown Salt is treated with 'Sodium Carbonate'.

• And the mixture is heated on the 'block of Charcoal'.

• With the help of Pipe, it is the reducing flame is blown to carry the test.

• This flame is used for Reducing Flame because it is the one with 'less amount of oxygen'.

• It has a yellowish color and it is generally called a 'carburizing flame'.

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