Which of the Following Methods Are Unable to Make Water

question 4

Multiple Choice

Which of the following methods are unable to make water soft?

• A)add CaO
• B)add Na₂CO₃
• C)boil
• D)pass through ion exchange
• E)pass through charcoal

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Definitions:

Sensations

Perceptions or feelings resulting from the stimulation of the sensory organs by the external environment.

Brain

The complex organ located in the skull that coordinates mental functions, interprets sensory information, and directs behavior.

Reflex

An involuntary and automatic reaction or response to a stimulus.

Stimulus

An external factor or event that provokes a response or reaction from a biological organism or system.