Multiple choice

A beaker contains a mixture of salt, sand, and gravel. Which substance is soluble in water?

  1. Salt

  2. Sand

  3. Gravel

  4. All

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Solubility refers to the ability of a substance to dissolve in a solvent like water. Salt dissolves in water, while sand and gravel do not.