Figure 2. Vinegar from acetic acid and homemade

From

Developing the Ability to Apply Knowledge and Skills for Students under Stem Education

Luu Thi Hue, Vu Thi Tuyet, Tran Trung Ninh

American Journal of Educational Research. 2020, 8(5), 340-346 doi:10.12691/education-8-5-18