What is the difference between chemical reagents and fine chemicals? Chemical reagents fall within the range of fine chemicals (refined pharmaceuticals). Fine chemicals refer to chemical products with high processing precision, high technical production, high purity and low batch production, such

Introduces the difference between soda and soda　　We know that many daily necessities are made without chemical raw materials, such as soap, detergent, toilet cleaning, washing powder, and some substances in the production of food can also play a greater role, such as baking soda and soda, in many no

1. The green grapes were soaked in ethrel diluent and after a day or two, the green grapes become purple grapes. This grape is uneven in color, contains less sugar, and has less flavor and is harmful to humans.How to identify: Consumers can distinguish between appearance and taste. First of all, you