Talc can be commonly found in eye shadows and face powders. Usually, this substance is made from silicon, oxygen, hydrogen, and magnesium. While talc is usually safe to use on the skin, there have been instances where huge companies have had problems purifying talc. This can be a problem,...
Which characteristic of a substance is considered a chemical property? Is zinc oxide a base? If it is, why isn't it a metal? What are examples of Bronsted-Lowry bases? What fundamental forces are involved in chemical bonding? What are the two factors which determine the properties of a ch...
pure zinc chloride can only form the δ-type (hexagonal close-packed) structure, where each zinc ion is surrounded by four chloride ions in a tetrahedral arrangement. When melted and cooled, it can form a glassy substance.
of substances, as to what matches the description given below: [Acetylene gas, aqua fortis, coke, brass, barium chloride, bronze, platinum). (i) A black powdery substance used for the reduction of zinc oxide during its extraction. (ii) The substance is an alloy of zinc, copper and tin....
What are the physical properties of carbonate minerals? Recrystallization: Recrystallization is when a substance is dissolved so that it can be purified in a hot liquid. When the solvent cools down, the solution is saturated with the solute that crystalizes, or forms a solid again. Carbonate mine...
How you would separate the components of a mixture of sugar and sand? Would your methods result in a physical or chemical changes? What are some different methods that can be used to separate a mixture? How could you separate BaSO4 from NaCl? Is sand a pure substance or a mixture? E...
It turned out to be magnesium sulfate (MgSO4), now known as Epsom salts. Two hundred years later Over the next 200 years, scientists attempted to purify the metal in this substance–a task made complicated by the fact that Mg is never free in nature but commonly binds with oxygen to ...
Sodium lauryl sulfate has antibacterial and antimicrobial properties, making it effective in inhibiting the growth of harmful, disease-causing pathogens. It is used in mouth rinses, hand soaps, and various other oral care products to eliminate microbial agents (protozoans, fungi, bacteria, and viruse...
I have had this itching for years. The doctor said it's a fungus. Whenever I scratch, a soft dirt-like substance comes out under my fingernails, like moist dry skin. Right now between my leg and testicles, everything is red and blistered. I tried everything and nothing works. I have...
Another condition that can be treated by either Polysporin or Neosporin is poison ivy. Poison ivy can trigger an allergic reaction that is caused by the resin of the plant. Upon contact, an oily substance gets released which causes an itchy rash to develop. The rash can start out as a str...