A substance composed of two or more elements in a fixed, definite proportion is a.a homogeneous mixture. b.a heterogeneous mixture. c.a compound. d.a solution. e.an alloy.

QUESTION POSTED AT 02/06/2020 - 01:58 AM

Answered by admin AT 02/06/2020 - 01:58 AM

A compound

(i think) because it consists of two + elements, whose ratios are shown clearly in the chemical formula, meaning it has a fixed, definite proportion. 

hope that helps :)
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