Question

which of the following is not a mixture?​

Answer 1

Answer:

A mixture is when two or more substances combine physically together. However, in water, two hydrogen atoms combine with one oxygen atom chemically, forming a new substance that has properties different from hydrogen alone or oxygen alone. ... Therefore, water is not a mixture; it is a compound and it is pure.

Explanation:

Answer 2

Ice  is not a mixture.

Explanation:

• A mixture is when two or more substances combine physically together.
• However in water two hydrogen atoms combine with one oxygen atom chemically forming a new substance that has properties different from hydrogen alone or oxygen alone.
• Therefore water is not a mixture it is a compound and it is pure substance.
• Whereas air is mixture of gases sea water is a mixture many different substances soil is composed of small pieces of a variety of materials.
• Hence it is a heterogeneous mixture.