During which stage of the kettle process, soap rises to the top of the liquid as a ‘curdy mass’?

Salting out of soap

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Moulding

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Odourisation

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Saponification of oil

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Solution

The correct option is A Salting out of soap
During salting out of soap:

Common salt is added to the boiling mixture.

Soap precipitates in the tank.

After several hours, the soap rises to the top of the liquid as a ‘curdy mass’.

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Similar questions

A white shirt has a yellow stain of curry. When soap is rubbed on this shirt during washing, the yellow stain turns reddish - brown. On rinsing the shirt with plenty of water, the reddish - brown stain turns yellow again.

(a) Name the natural indicator present in curry stain.

(b) Explain the changes in colour of this indicator which take place during washing and rinsing the shirt.

Q. Statement 1: During saponification, an alkali is added to the oil in an iron kettle.
Statement 2: After precipitation, soap rises to the top of the liquid as a curdy mass.

Q. A white shirt has a yellow stain of curry. When soap is rubbed on this shirt during washing, the yellow stain turns reddish-brown. On rinsing the shirt with plenty of water, the reddish-brown stain turns yellow again. (c)What is the nature of soap (acidic/basic) as shown by the indicator present in curry stain?

Q. A white shirt has a yellow stain of curry. When soap is rubbed on this shirt during washing, the yellow stain turns reddish-brown. On rinsing the shirt with plenty of water, the reddish-brown stain turns yellow again. (a)Name the natural indicator present in curry stains.

Q. What happens during saponification of oil in kettle process? (1 mark)

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During which stage of the kettle process, soap rises to the top of the liquid as a ‘curdy mass’?

The correct option is A Salting out of soapDuring salting out of soap: Common salt is added to the boiling mixture. Soap precipitates in the tank. After several hours, the soap rises to the top of the liquid as a ‘curdy mass’.

The correct option is A Salting out of soap
During salting out of soap:

Common salt is added to the boiling mixture.

Soap precipitates in the tank.

After several hours, the soap rises to the top of the liquid as a ‘curdy mass’.