Multiple Choice
Which area of science is commonly referred to as the 'central science' due to its role in connecting physical sciences with life sciences?
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1. Intro to General Chemistry
Classification of Matter
Multiple Choice
Which type of matter can be separated into its components by physical means?
A
Mixture
B
Pure substance
C
Element
D
Compound
Verified step by step guidance1
Understand the definitions of the types of matter: A pure substance has a fixed composition and cannot be separated by physical means; it includes elements and compounds.
Recognize that an element is a pure substance made of only one type of atom and cannot be broken down by physical methods.
Know that a compound is a pure substance composed of two or more elements chemically combined, and it requires chemical methods to separate.
Identify that a mixture consists of two or more substances physically combined, and its components retain their individual properties.
Conclude that mixtures can be separated into their components by physical means such as filtration, distillation, or chromatography.
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