Which of the following statements is incorrect regarding linseed oil?
Correct answer: D. It is a triglyceride of saturated fatty acids
- A. It is a drying oil
- B. It is used in paints and varnishes
- C. It is a vegetable oil
- D. It is a triglyceride of saturated fatty acids
Explanation
Linseed oil is classified as a "drying oil" because it is rich in polyunsaturated fatty acids (like linolenic acid). These unsaturated bonds allow it to polymerize and harden upon exposure to air. The statement that it is a triglyceride of saturated fatty acids is incorrect.
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Industrial chemistry applies chemical reactions and material properties to the manufacture of adhesives, dyes and polymers. Coverage includes addition and condensation polymerisation, thermoplastics and thermosetting polymers, the structural basis of colour in dyes, and how adhesive composition enables bonding between surfaces.
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