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me File Edit View History Bookmarks People Window Help Mastering Chemistry: pre-lecture ch1 ii Secure https:llsession.masteringchemistry.com/myct/itemview?offset next&assignment; CHEM 111 General Chemistry I Spring 2017 pre-lecture ch1 Chapter 1 Multiple Choice Question 20 ble Chapter 1 Multiple Choice Question 20 Part A A substance composed of two or more elements in a fixed, definite proportion is a compound. ring O an alloy. h C.pdf O a heterogeneous mixture O a solution. a homogeneous mixture Submit My Answers Give Up odf

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Part A :

Compound : A substance composed of two or more elements in a fixed, definite proportion is compound

Eg: CO2

Carbon and oxygen combined in the 1:2 ratio

Part A :

Homogeneous mixture : Two or more substances in variable proportions, where the composition is constant throughout are considered is Homogeneous mixture

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