Which of the Following Statements Is NOT True

question 123

Multiple Choice

Which of the following statements is NOT true?

• A)Given that the chemical formula of methanol is CH₄O,the number of carbon atoms will be the same as the number of oxygen atoms in a sample of methanol.
• B)If a compound is 75% carbon and 25% hydrogen by mass,12 grams of the compound contains 9 g C and 3 g H.
• C)If a compound contains 76 grams of chlorine and 12 grams of carbon,it will always have 6.33:1 mass ratio of Cl to C.
• D)A compound containing 17.1 grams of phosphorus and 58.9 grams of chlorine has the same identity as a compound containing 35.7 g P and 204.3 g Cl.
• E)A compound containing 106.6 grams of copper and 13.4 grams of oxygen has the same identity as a compound containing 159.9 g Cu and 20.1 g O.

Understand the symptoms and treatments of various sleep disorders.

Grasp the mechanisms and effects of different drug categories on the central nervous system.

Comprehend the concept of consciousness and its various states, including hypnosis and meditation.

Recognize the role of selective attention in cognitive processes.

---

Definitions:

Indicator Variable

A variable that takes on the value of 0 or 1 to indicate the absence or presence of some categorical effect or attribute.

Multiple Regression

A statistical analysis tool that assesses the effect of multiple independent variables on a particular dependent variable.

Stepwise Regression

A technique in regression modeling that involves automatically selecting which variables predict the outcome.

Nonparametric Tests

Statistical tests that do not assume a specific distribution shape for the population from which the samples are drawn.