Which is the best example of immiscible liquids? two polar liquids that have high surface tensions

a polar liquid and a non polar liquid that have low surface tensions

two nonpolar liquids that can dissolve into one another

a polar liquid and a nonpolar liquid that do not dissolve into one another

Can someone me with 1 to 4 plz. fast

Compare and contrast the bohr model and the electron cloud models of the atom.

Hydrogenation reactions, in which h2 and an "unsaturated" organic compound combine, are used in the food, fuel, and polymer industries. in the simplest case, ethene (c2h4) and h2 form ethane (c2h6). if 140 kj is given off per mole of c2h4 reacting, how much heat (in mj) is released when 12 kg of c2h6 forms?