Examlex
Explain how response rates are determined for surveys and discuss ways to increase response rates for mail surveys.
Hydrogen Ion
A positively charged ion (H+) that forms when a hydrogen atom loses its electron and effectively becomes a proton.
Hydroxide Ion
A negatively charged ion made of oxygen and hydrogen (OH-), which is a common component of bases.
pH
A measure of the acidity or basicity of an aqueous solution, indicating the concentration of hydrogen ions.
High Heat
A condition or state of very high temperatures.
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