soapy water: mixture hydrogen gas: pure substance sodium chloride: pure substance* It's not fully pure originally (not on the periodic table) you need to bond two pure substances together to obtain it.
Matter is classifi ed as a pure substance when all of the particles are identical. Matter is classifi ed as a mixture if there are different types of particles present. 8. Identify which drawings from Question 7 are pure substances and which are mixtures. List the codes for the drawings in the appropriate places below. Pure Substances Mixtures
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Oct 20, 2015 - Explore Kate Walker Roberts's board "Grade 7 science pure substances and mixtures" on Pinterest. See more ideas about Science, Teaching science, Matter science.
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This mixtures worksheet is for practice to identify if a mixture is homogeneous or heterogeneous and if a pure substance is an element of compound. Name PD Date - www.mreroh.com Home Page
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Jan 19, 2014 · 1. Pure substances and mixtures Chemistry/topic 2 2. As you know, every substance has a characteristic set (complex) of properties on which it can always be distinguished from any other substance. However, these properties are well-defined only for a single individual substance that is not mixed with other substances. So necessary to ...