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Regarding CS Modulation Theories Versus US Modulation Theories, It Seems

question 87

Multiple Choice

Regarding CS modulation theories versus US modulation theories, it seems to be that _____ is/are correct.


Definitions:

Hydrofluoric Acid

A highly corrosive acid made of hydrogen and fluorine that is used in various industrial processes.

Sodium Hydroxide

A highly caustic metallic base and alkali salt, used in many industrial processes, often known as lye or caustic soda.

Sodium Hydrogen Carbonate

A chemical compound also known as baking soda, with formula NaHCO3, often used in cooking, cleaning, and neutralizing acids.

Sodium Carbonate

A white, water-soluble salt used widely in manufacturing glass, soaps, and detergents, and as a water softener.

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