Skip to content / Đến nội dung
SachHeCam.com

Cambridge Secondary (7-9). Stage 8. Science. Learner's Book - Unit 2: Properties of materials - Question 57

Cambridge Secondary (7-9) · Unit 2: Properties of materials

Question 57

The diagrams here show a chromatogram from a hair dye called Sunny Red and a chromatogram showing all the permitted dyes.

The chromatogram for Sunny Red shows four separate substances. Are any not permitted? If so, which?

Question illustration
0
0
GIỎ HÀNG
Empty CartGIỎ CHƯA CÓ GÌQUAY LẠI SHOP