Give the Classification of Matter When Two Substances Exist with Two

question 13

Multiple Choice

Give the classification of matter when two substances exist with two phases present and the substance cannot be decomposed by chemical means

• A) heterogeneous mixture
• B) homogeneous mixture
• C) compound
• D) element

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Definitions:

Percentage

A proportion or share expressed as a fraction of 100, denoting part of a whole.

Normal Model

A bell-shaped probability distribution characterized by its mean and standard deviation, often used to describe naturally occurring phenomena.

Middle 95%

Refers to the central portion of a distribution that contains 95% of the data, often used in the context of confidence intervals indicating where the true population parameter lies with a certain level of confidence.

Normal Model

A distribution of probability that exhibits symmetry around the mean, demonstrating that data points close to the mean occur more frequently than those far from it.