Which Type of Reaction Is AlCl₃ + 3KOH $\to$ Al(OH)₃ + 3KCl?
A) Single-Replacement
B) Double-Replacement
C) Decomposition
D)

question 61

Multiple Choice

Which type of reaction is AlCl₃ + 3KOH $\to$ Al(OH) ₃ + 3KCl?

• A) Single-replacement
• B) Double-replacement
• C) Decomposition
• D) Combination

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Definitions:

Sample Standard Deviation

A measure of the dispersion or variability of data points in a sample from the sample mean.

Significance Level

A threshold set by researchers before conducting an experiment to determine at what probability level results will be considered statistically significant, commonly set at 0.05 or 5%.

Type I Error

The incorrect rejection of a true null hypothesis, also known as a "false positive" finding.

Type II Error

The error made by failing to reject a false null hypothesis, often denoted as a false negative in hypothesis testing.