1) Which is a pure substance? a) alloy b) milk c) salt d) softdrinks 2) Which is a mixture? a) alloy b) charcoal c) salt d) sugar 3) It is made up of only one kind of material. a) mixture b) solution c) suspension d) pure substances 4) It is a physical combination of two or more substances. a) compound b) element c) mixture d) pure subtances 5) All of the following are pure substance EXCEPT a) hydrogen b) milk c) oxygen d) 24 k gold jewelry 6) Which has a definite composition, melting point and boiling point a) milk b) softdrinks c) soy sauce d) 24k gold jewelry 7) It has a definite composition. a) colloid b) mixture c) solution d) pure substance 8) It is composed of different types of atoms or molecules that are not chemically bonded. a) compound b) element c) mixture d) pure substance 9) It can be classified as elements and compounds. a) matter b) mixture c) suspension d) pure substances 10) They maybe classified as homogeneous and heterogeneous. a) mixture b) solution c) suspension d) pure substance 11) Seawater is an example of: a) colloid b) element c) mixture d) suspension 12) 24 k gold jewelry is an example of: a) colloid b) compound c) element d) solution 13) Diamond is a/an a) colloid b) compound c) element d) suspension 14) Water is a/an a) colloid b) compound c) element d) mixture

Pure Substances and Mixtures

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