Question:
____and \rule{1.5cm}{0.15mm} are two important products obtained from distillation of oleo-resins of Indian pines.
____and \rule{1.5cm}{0.15mm} are two important products obtained from distillation of oleo-resins of Indian pines.
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Pine = Resin = (Distillation) $\rightarrow$ Turpentine (Liquid/Volatile) + Rosin (Solid/Residue). Chir pine is the backbone of the resin industry in India.
Updated On: Aug 7, 2026
- Lac and shellac
- Turpentine and rosin
- Katha and cutch
- Copaiba and Elmi
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The Correct Option is B
Solution and Explanation
Step 1: Understanding the Question:
The question relates to the tapping and distillation of pine trees (specifically Pinus roxburghii) for industrial products.
Detailed Explanation:
• Indian pines, especially the Chir pine, produce a natural crude exudate called oleoresin.
• When this crude resin is subjected to steam distillation, it is separated into two primary components based on volatility.
• Turpentine oil (Oil of Turpentine) is the volatile (essential oil) fraction that evaporates during distillation. It is used as a solvent in paints and in medicine.
• Rosin (Colophony) is the non-volatile solid residue that remains after distillation. It is widely used in paper sizing, soap making, and varnish manufacture.
• Analysis of other options:
- Lac and shellac are insect products from Kerria lacca.
- Katha and cutch are extracted from Acacia catechu wood.
Step 2: Final Answer:
The two major distillation products of pine resin are Turpentine and Rosin.
The question relates to the tapping and distillation of pine trees (specifically Pinus roxburghii) for industrial products.
Detailed Explanation:
• Indian pines, especially the Chir pine, produce a natural crude exudate called oleoresin.
• When this crude resin is subjected to steam distillation, it is separated into two primary components based on volatility.
• Turpentine oil (Oil of Turpentine) is the volatile (essential oil) fraction that evaporates during distillation. It is used as a solvent in paints and in medicine.
• Rosin (Colophony) is the non-volatile solid residue that remains after distillation. It is widely used in paper sizing, soap making, and varnish manufacture.
• Analysis of other options:
- Lac and shellac are insect products from Kerria lacca.
- Katha and cutch are extracted from Acacia catechu wood.
Step 2: Final Answer:
The two major distillation products of pine resin are Turpentine and Rosin.
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