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With which group did Hernán Cortés establish an alliance?
pH Test Strip
A piece of paper or plastic that changes color when dipped into a solution, allowing for the measurement of the solution's acidity or alkalinity.
Sodium Bicarbonate
A chemical compound, NaHCO3, commonly known as baking soda, that is used in baking as a leavening agent and can neutralize acids.
Neutralizing
The process of making something ineffective or harmless by applying an opposite force or effect.
Antacids
Medications that neutralize stomach acid to relieve heartburn, indigestion, and stomach discomfort.
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