Correct option is A
The correct answer is (A) and (B).
• An object that floats in alcohol will surely float in sunflower oil: This is correct because alcohol is less than sunflower oil. If an object is less dense than the liquid it is in, it will float. Since alcohol is less dense than sunflower oil, an object that floats in alcohol will also float in sunflower oil.
• An object that floats in sunflower oil will surely float in freshwater: This is also correct because sunflower oil less dense than freshwater. If an object is less dense than the liquid it is in, it will float. Since sunflower oil is less dense than freshwater, an object that floats in sunflower oil will also float in fresh water.