Multiple Choice
Which of the following processes contributes to the mineral content of soils?
1. Intro to General Chemistry
Classification of Matter
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Which of the following is a correct association between the type of matter and its characteristics?
A
Compound - can be separated into simpler substances by physical means
B
Mixture - consists of two or more substances combined physically
C
Element - composed of two or more types of atoms
D
Pure substance - has variable composition
Verified step by step guidance1
Understand the definitions of each type of matter: a compound, a mixture, an element, and a pure substance.
A compound is a substance formed when two or more chemical elements are chemically bonded together. Compounds can only be separated into simpler substances by chemical means, not physical means.
A mixture consists of two or more substances that are combined physically, not chemically. Mixtures can be separated into their components by physical means, such as filtration or distillation.
An element is a pure substance that consists of only one type of atom. It cannot be broken down into simpler substances by chemical means.
A pure substance has a fixed composition and distinct properties. It can be either an element or a compound, but it does not have a variable composition.
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