Chapter 1, Problem 1.8E

Classify each of the following as a physical or chemical change or property.a. Oven cleaners contain sodium hydroxide, which converts the grease/oil spattersinside the oven to water-soluble materials, which can be washed away.A rubber band stretches when you pull on it.A cast-iron frying pan will rust if it is not dried after washing.Concentrated hydrochloric acid has a choking, pungent odor.Concentrated hydrochloric acid will burn a hole in cotton jeans because the acidbreaks down the cellulose fibers in cotton.Copper compounds often form beautiful blue crystals when a solution of a givencopper compound is evaporated slowly.Copper metal combines with substances in the air 10 form a green “patina” thatprotects the copper from further reaction.Bread turns brown when you heat it in a toaster.When you use the perfume your boyfriend gave you for your birthday, the liquid ofthe perfume evaporates quickly from your skin.If you leave your steak on the gas grill tot) long, the steak will turn…

Identify each of the following as an element, homogeneous mixture, heterogeneous mixture, compund, physical change, chemical property, physical property, or chemical change. sodium nitrite preservative mercury in thermometer copper and rust burning a log of wood jet fuel melting copper chewing on a piece of bread ibuprofen the process of sweating cookies and cream ice cream platinum ring propane graphite (a form carbon) density

Identify each of the following as a physical or chemical change: -Aspirin tablets are broken in half. -Carrots are grated for use in a salad. -Malt undergoes fermentation to make beer. -A copper pipe reacts with air and turns green.