百度试题 结果1 题目Which of the following is a common chemical used in making soap? A. Salt B. Sugar C. Lye D. Vinegar 相关知识点: 试题来源: 解析 C。碱液(Lye)是制作肥皂常用的化学物质。选项 A 盐;选项 B 糖;选项 D 醋。反馈 收藏 ...
Wood and Jewkes2006). Post-coital methods tend to be preferred, because they can be used after youth have actually had sex and fear becoming pregnant (Hardon1997; Sobo et al.2000; van der Sijpt2012). Interventions targeting high-risk populations also tend to be under-used. In Kisumu, Ken...
(1) Food. The chemical industry makes a major contribution to food production in at least three ways. Firstly, by making available large quantities of artificial fertilizers which are used to replace the elements (mainly nitrogen, phosphorus and potassium) which are removed as nutrients by the gr...
Originally(最初),soap was not mainly used for c___. Instead, it was used as gel(凝胶) for making hair stay in place or smell good. The Arabs first made the soap that we know today. They created colored, liquid, and hard soaps. They even had soaps which were used for shaving(刮胡...
http://en.wikipedia.org/wiki/Soaphas a table of commonly available oils, often used for cooking. I am quite certain that all except tallow are readily available at a grocery or health foods store. I'm not a soap expert, my role in this endeavor has been to help the missus find the ...
about 1800, and developed to provide chemicals roe use by other industries. Examples are alkali for soapmaking, bleaching powder for cotton, and silica and sodium carbonate for glassmaking. It will be noted that these are all inorganic chemicals. The organic chemicals industry started in the 1860...
The article reports on an order made by the European Commission that diisobutyl phthalate (DIBP), a chemical used in making nail polish by the cosmetics industry, should only be used in the European Union (EU) with specific permission from the European Chemicals Agency (ECHA)....
a substance used in or obtained by a chemical process.Some chemicals give off harmful fumes.producto químico ˈchemistnoun 1.a scientist who studies or works in chemistry.an industrial chemist.químico 2.(Americanˈdruggist) a person who makes up and sells medicines andusuallyalso soap, make...
We are specialized in talcum powder for the soap-making industry. As industrial talc powder suppliers, our Talc has been used in the following industries for different purposes: Plastic Industry For Compounding Talc for Soaps & Detergents Talc For Ceramics Companies Talc For Paper Industries Talc ...
The chemical industry makes a major contribution to food production in at least three ways. Firstly, by making available large quantities of artificial fertilizers which are used to replace the elements (mainly nitrogen, phosphorus and potassium) which are removed as nutrients by the growing crops ...