Examlex
A ________ is a single point of contact for all user inquiries and problems about a particular information system or for all users in a particular department.
Acids
Substances that release hydrogen ions (H+) when dissolved in water, typically having a sour taste and capable of turning blue litmus paper red.
Bases
Chemical substances that can accept hydrogen ions (H+) and are characterized by a pH greater than 7 when dissolved in water.
Hydrophilic
Describing molecules or substances that have a natural affinity for water and can dissolve in or absorb water easily.
Hydrophobic
A characteristic of molecules or substances that do not readily mix with or are repelled by water, often due to nonpolar characteristics.
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