What Is the Formula of Quicklime

question 49

Multiple Choice

What is the formula of quicklime?

• A) CaO
• B) MgSO₄
• C) Ca(OH)₂
• D) CaCO₃
• E) CaSO₄

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Definitions:

Reliability

Reliability refers to the consistency of a measure or test to produce the same results under the same conditions over time.

Item Response Theory

An extension of classical test theory that allows for more detailed analyses of individual test items. Tools such as the item characteristic curve allow in-depth examination of an item’s discrimination and difficulty.

Classical Test Theory

Classical Test Theory is a framework used in psychological testing and assessment that evaluates the reliability and validity of test scores based on the analysis of test score properties.

Measurement Error

The difference between the actual value and the measured value due to inaccuracies in data collection, recording, or analysis in the context of research or testing.