Multiple Choice
Since the same elements make up coal and diamonds, which of the following best explains why they have different properties?
91
views
1. Intro to General Chemistry
Classification of Matter
Multiple Choice
Media that contain at least one ingredient that is not chemically definable are called:
A
Elemental media
B
Pure substances
C
Complex media
D
Homogeneous mixtures
Verified step by step guidance1
Understand the terminology related to culture media in microbiology and chemistry contexts.
Recognize that 'elemental media' refers to media with chemically defined ingredients, where each component's exact chemical composition is known.
Know that 'pure substances' are materials made of only one type of molecule or atom, which is not the case for media with multiple ingredients.
Identify that 'complex media' contain at least one ingredient that is not chemically definable, such as extracts or digests of biological materials, making their exact chemical composition unknown.
Conclude that the term for media containing at least one chemically undefined ingredient is 'complex media'.
Related Videos
Related Practice
