CHEM 208 Study Guide - Final Guide: Sodium Acetate, Scientific Notation, Kyoto Protocol
Document Summary
2 - a cationic surfactant is: positively charged, negatively charged, both positively and negatively charged, none of the above. 4 - fragrances in perfumes are generally experienced in three stages or notes because of the: volatility of the ingredients, density of the ingredients, price of the ingredients, color of the ingredients. 5 - sunscreen products contain chemicals to absorb: microwaves, vibration, infrared radiation, uv radiation. 6 - the effective chemical ingredients in deodorants are: antibacterial agents and perfumes, water and table salt, pigments, dyes. 7 - surfactants are effective in: reducing the density of water, increasing the surface tension of water, decreasing the surface tension of water molecules, heating water molecules. 8 - which ions are responsible for the hardness of water: na+ and k, f- and c , al3+ and br, none of the above ( real answer ca^2+ and mg^2+ )
