Quite a few drug active ingredients are only soluble in olive oil. There is quite a famous example with the invention of ciclosporin (the immunosuppressive). It looked like the drug was going to have to be scrapped, since it wasn't possible to find a substance which it was soluble in in order for it to have a practical use. Then someone had the bright idea of sticking it in olive oil, probably saving thousands of lives in the process.
As far as substances found in the kitchen go, very few of them will be soluble in olive oil (or any oil, for that matter). Chocolate can be melted and combined with oil, however I do not know if this fulfils the definition of "soluble" or not.
yes
The lipid glycerol is soluble in both water and ether. Olive oil is soluble in ether, but not water. A solid lipid is insoluble in water, methanol, and ether.
No oils are hydrophobic due to lipid structures (seen as bubbles) when mixed with water.
Glycerol and water are polar molecules, soluble in water, while olive oil is nonpolar and immiscible in water. LPG is a gas at room temperature and pressure, while glycerol, water, and olive oil are liquids. LPG is a hydrocarbon with lower boiling point compared to glycerol, water, and olive oil.
Water and olive oil are not miscible.
Calcium chloride is not soluble in oil. It is a water-soluble compound that dissolves readily in water but does not mix with oil.
Advil (ibuprofen) is a non-polar compound and is more soluble in oil than in water. It has limited solubility in water but is more soluble in organic solvents like oil.
No, iodine is not soluble in oil. Iodine is a water-soluble compound and will not mix with nonpolar substances like oil.
the olive oil will form into droplets and not mix with the water
Are you asking if you can water your plant with olive oil. The answer is no
I think oil will be less soluble in water at elevated temperatures.
No the don't mix together. Chloroform is a polar compound.