Take about one teaspoon full of melted ghee with an equal quantity of conc. HCl in a test tube and add to it a pinch of cane sugar. Shake well for one minute and test it after 5 minutes. The appearance of crimson color in the lower layer shows the presence of

Vegetable oils

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Cotton seed oil

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vanaspati

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Animal fats

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Solution

The correct option is C
vanaspati

The correct option is C (vanaspati).
Explanation of correct answer:
Take about one teaspoon full of melted ghee with an equal quantity of conc. HCl in a test tube and add to it a pinch of cane sugar. Shake well for one minute and test it after 5 minutes.
The appearance of crimson color in the lower layer shows the presence of vanaspati.
Explanation of incorrect answers:
Option A:
Cottonseed oil is used as an adulterant in various oils.
Option B:
In the case of vegetable oil, HNO₃ is used, a reddish-brown color in the lower layer shows the presence of argemone oil.
Option D:
Fats are treated with 5% conc. HCl and 2% furfural solution in alcohol. The rose-red color shows the presence of sesame oil.
Final answer: The appearance of crimson color in the lower layer shows the presence of vanaspati.

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