Which of the Following Is True of a Mixture

question 84

Multiple Choice

Which of the following is true of a mixture

• A)A mixture is a combination of two or more substances in which the substances retain their distinct identities.
• B) A mixture is a substance that cannot be separated into simpler substances by chemical means.
• C) A mixture is a substance composed of atoms of two or more elements
• D) A mixture must be homogeneous
• E) A mixture must be heterogeneous

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Definitions:

Selective Attention

The process by which one focuses on one input or task while ignoring other stimuli or information.

Inattentional Blindness

A psychological lack of attention that is not associated with any vision defects or deficits, where an individual fails to perceive an unexpected stimulus that is in plain sight when other attention-demanding tasks are being performed.

Daydreaming

A mild, self-generated form of detachment from immediate surroundings, characterized by a person's drift of attention away from the task at hand.

Dreaming

A series of thoughts, images, and sensations occurring in a person's mind during sleep, often reflecting unconscious material.