Chapter 1, Problem 1.22E

If matter is uniform throughout and cannot be separated into other substances by physical means, it is Select one: a. an element b. a homogeneous mixture c. either an element or a compound O d. a heterogeneous mixture

coffee (with milk) a. suspension b. solution c. an element d. heterogeneous mixture

Match the items in the first column witht he items in the second column: A. Pure Substance-Compund B. Mixture-Homogeneous C. Pure Substance-Element D. Mixture-Heterogeneous Granola bar -  Cheddar cheese -  Window glass -  Diamond -  Sucrose -

14. Your mom is washing the rice in the casserole pot before cooking it A. filtration B. decantation C. evaporation O D. magnetizing 15. Dr. Merle is getting some cash from his wallet. * A. decantation B. filtration C. evaporation D. handpicking 16. Mixtures can be separated in many ways. * A. True B. False

Which substance can be separated by filtration?  A. Compound B. Element C. Mixture D. Solution Which is an example of physical property of matter? * A. Baking a cake B. Cooking of gelatin C. Melting of ice D. Rusting of metal Which is an example of chemical property of matter?  A. Digestion of food B. Evaporation of water C. Sublimation of moth balls D. Condensation of water vapor       Which is a physical property of matter? A. Combustibility B. Corrosiveness C. Density D. Reactivity

How would you classify the following material? coffee (black) a. solution b. an element c. suspension d.heterogeneous mixture

14. A researcher finds that a solid has high melting and boiling points, and is soluble in water. Based on this information, he(she) can believe that the substance is a(n) A. ionic compound B. molecular compound C. homogeneous mixture D. heterogeneous mixture E. flammable substance

Indicate whether the following sample of  matter  is a heterogeneous mixture, a homogeneous mixture, a compound, or an element. 4. a colorless gas that cannot be separated into simpler substances using physical means and that reacts with the metal a. heterogeneous mixture b. element c. compound d. homogeneous mixture

What is the name for a representation of the physical world? A. Alloy B. Compound C. Atom D. Model