Soda water wood air soil vinegar filtered tea homogeneous or heterogeneous Tagged With: Is Matter Around Us Pure, Is Matter Around Us Pure Solution, science class 9May 10, 2019 By Amit 5. Classify each of the following as a homogeneous or heterogeneous mixture. soda water, wood, air, soil, vinegar, filtered tea. Answer: Soda water, vinegar and filtered tea are homogeneous while wood, air are heterogeneous Next: Question 6: How would you confirm that a colourless liquid given to you is pure water. See also: Question 4: Explanation of saturated solution, pure substance, colloid & suspension with examples.