A Commonly Used Abrasive That Is NOT Used in Toothpaste

question 134

Multiple Choice

A commonly used abrasive that is NOT used in toothpaste is

• A)sugar.
• B)calcium carbonate.
• C)calcium hydrogen phosphate.
• D)calcium pyrophosphate.

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Definitions:

Mean Square

The average of the squared differences from the mean, used in variance and ANOVA calculations.

Error

The difference between a measured or observed value and the true value, indicating inaccuracies in data collection or analysis.

Mean Square

A statistical measure representing the average of the squared differences from the mean, often used in variance and regression analysis.

Treatments

Interventions or actions taken in a research study to investigate their effects on an outcome of interest.