Which one of the following is a not translucent object?
Net curtains
Butter paper
Lamp shades
Wooden door
Wooden door is an opaque object.
Is there any other test to test the presence of fats in a given substance other than pouring that substance into some paper like material and then seeing whether it turns translucent or not? Because if we even pour water or any liquid on that paper like material it also makes the paper turn translucent...