Select the most appropriate explanation of the following observation on solubility: "hydrogen chlordiehcl, is very soluble in water."
ater is a polar solvent, and it promotes the ionization of many polar molecules.
opposites attract, that is, polar solutes dissolve in non-polar solvents and vice-versa.
water promotes the dissociation of many ionic solids.
gases that interact only slightly with solvents dissolve freely.
relatively light molecules are generally more soluble in water than heavier molecules.

Water is a polar solvent and it promotes the ionization of many polar molecules.

Explanation:

There is a rule in chemistry that says "the like is dissolved by the like." Since water is a polar substance, it has an affinity for polar compounds, which is why it can separate those bonds.

The ability of a certain amount of liquid to dissolve a solid substance is not unlimited. Adding solute to a given volume of solvent reaches a point from which the solution does not admit more solute (saturated solution). Then it is said that solubility is the concentration that corresponds to the state of saturation at a given temperature so it depends on the temperature. In most cases, it increases with increasing temperature

away from the curb

explanation:

the wheels would then hit the curb if it started to rolling, decreasing the chance of an accident.

i believe you are right for all except the 3rd ( look at sqdancefan his answer is much better)