In oil painting, turpentine oil is commonly used as a solvent to thin the paint and clean brushes. It helps in reducing the thickness of oil paints and ensures smooth application on the canvas.
Step 2: Analyzing the options.
- (a) Coconut oil: This is not typically used in oil paintings.
- (b) Mustard oil: This is not used in oil paintings.
- (c) Turpentine oil: This is correct. Turpentine oil is widely used as a solvent in oil painting.
- (d) None of these: This is incorrect, as turpentine oil is the correct option.
Step 3: Conclusion.
The correct answer is (c) Turpentine oil, as it is used in oil medium painting.
Final Answer:
The correct answer is (c) Turpentine oil.