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Are Polymers Pure Substances Or Mixtures? [Solved]
So most synthetic polymers are really mixtures rather than pure substances in the ordinary chemical sense of the term. Their molecular weights are typically distributed over a wide range.14 Aug 2020
GCSE Science Revision Chemistry “Purity and Formulations”
In this video, we explore how we determine the
Types of Matter: Elements, Compounds, and Mixtures
What’s the difference between a physical change and a chemical change? What are elements, compounds,
Pure Substances Elements & Compounds (Lecture)
This video teaches about the
