SME
Grade 7 Science · Problem type
Pure substance or mixture?
Use this for “Which of these is a mixture?”
Sort
One substance, or a mixture?
Tap a card, then tap its group.
Assumptions
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A pure substance has one kind of particle: one element or one compound.
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A mixture can be separated without a chemical reaction: filtering, evaporating, picking out.
Topic check
See what you know: 5 questions on this topic
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