Question

a solid substance looks uniformly brown. seen under a microscope, it looks like the image below. based on this experimental data, this substance is most likely a. a pure substance b. a mixture c. compressible d. flammable

Explanation:

A pure substance has a uniform composition throughout. The image shows a solid substance that appears non - uniform under the microscope, indicating it is likely a mixture. Compressibility and flammability cannot be determined from the microscopic appearance alone.

Answer:

B. a mixture