Question

Choose the pair of substances that are most likely to form a homogeneous solution.

1) Oil and water
2) Salt and water
3) Sand and water
4) Iron and water

Answer 1

Salt and water is the pair of substances that are most likely to form a homogeneous solution.

Step-by-step explanation:

Out of the given options, 2) Salt and water is the pair of substances that are most likely to form a homogeneous solution. A homogeneous solution is a mixture where the components are thoroughly mixed and have constant composition throughout. Salt (NaCl) dissolves easily in water (H₂O), resulting in a homogeneous saltwater solution.