Answer
A Heterogeneous mixture
B Homogeneous mixture
C Substance
D Heterogeneous mixture
Work Step by Step
A In a wooden beam, there are usually variations in colour where you can distinguish different kinds of solids that were used in its construction.
B Red ink is usually a solution of dye in water, so it is a mixture. However, there is usually little variation in colour, so it is homogeneous.
C Distilled water is a substance if there have been no gases or organic chemicals dissolved within it.
D Freshly squeezed orange juice is a heterogeneous mixture as there will be pieces of pulp present within the juice.
