How can you tell if a painting is oil based?

Related questions

1. Does ice sink in oil?
2. How can you tell the difference between oil and acrylic paint?
3. Can you use oil paint straight from the tube?
4. Can I thin oil based paint?
5. Can you thin paint with water?
6. What is dry oil?
7. What kind of paint does Bob use?
8. What liquid is heavier than water?
9. How do I price my original artwork?
10. Do you need paint thinner for oil paint?

Tags

1. #texture
2. #acrylic
3. #looks
4. #smooth
5. #thicker
6. #textured
7. #dries
8. #highly
9. #paint
10. #likely
11. #additive
12. #layered
13. #rubbery
14. #somewhat
15. #unless
16. #angle
17. #canvas
18. #painting
19. #looking