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Write an introduction about Matter.and Mixtures.
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- 1. Are compounds and mixtures the same or different? Why? 2. If you had a substance and didn't know if it was a compound or a mixture, what are some potential things you could do to decide? (you may need to be creative with this one!)Which of the following statements is(are) true? a. A spoonful of sugar is a mixture.b. Only elements are pure substances.c. Air is a mixture of gases.d. Gasoline is a pure substance.e. Compounds can be broken down only by chemical means.Write an informative introduction about Matter.and Mixtures.
- 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. ReactivityDefine substance and chemistry.7. Classify each of the following statements as true of false. a. Heterogeneous mixtures must contain three or more substances. b. Compounds cannot have a variable composition. C. Elements are seldom encountered in the "everyday" world. 8. Classify each of these substances as an element, compound, or mixture. a. a sample of "laughing gas" (N₂O) b. the steam coming from a pan of boiling water a bar of deodorant soap C. d. a sample of copper e. f. g. a cup of mayonnaise the helium filling a balloon a. CO h. Co 9. Classify each of the following as a homogeneous mixture or heterogeneous mixture. Black coffee b. A teaspoon of sugar dissolved in a cup of coffee C. Lemonade (with pulp) d. Chocolate chip cookie
- Vegetables is an example of Element? Compound? Homogenerous mixture? Heterogenous mixture?Which type of matter has a definite compositionthroughout and is made of more than one type ofelement?A. heterogeneous mixtureB. homogeneous mixtureC. elementD. compoundIndicate whether each sample of matter listed is a substance or a mixture; if it is a mixture, indicate whether it is homogeneous or heterogeneous. * a. a wooden beam b. red ink c. distilled water d. freshly squeezed orange juice
- Is distillation a useful method of comparing substances and mixtures? Why or why not?1. Substances that can be broken down into simpler compounds or elements by a chemical change 2. Refers to the different components of matter along with thier relative proportion.Which of the following statements is FALSE? a. A mixture may be either homogeneous or heterogeneous. b.Matter may be a pure substance or it may be a mixture. c. A pure substance may either be an element or a compound. d. All of these statements are true. e Mixtures may be composed of two or more elements, two or more compounds, or a combination of both.