Which of the Following Statements Is/are CORRECT

question 46

Multiple Choice

Which of the following statements is/are CORRECT?
1) Most ionic compounds containing nitrate ion are soluble in water.
2) Most ionic compounds containing sulfate ion are insoluble in water.
3) Most ionic compounds containing carbonate ion are soluble in water.

• A) 1 only
• B) 2 only
• C) 3 only
• D) 1 and 2
• E) 1,2,and 3

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Definitions:

Independent Variable

The factor in a study that the investigator alters to examine its impact on the outcome variable.

Dependent Variable

Refers to the variable in an experiment that is expected to change as a result of variations in the independent variable.

Independent Variable

In an experiment, the variable that is changed or controlled to test its effects on the dependent variable.

Control Variable

A variable that is kept constant during a research experiment to ensure that the effect of the independent variable can be measured without interference.