Sodium Tripolyphosphate Is Used in Detergents to Make Them Effective

question 17

Multiple Choice

Sodium tripolyphosphate is used in detergents to make them effective in hard water. Calculate the oxidation number of phosphorus in Na₅P₃O₁₀.

• A) +3
• B) +5
• C) +10
• D) +15
• E) None of these choices is correct.

---

Definitions:

Testosterone

Sex hormone secreted by the testes and responsible for the distinguishing characteristics of the male.

Neuropeptide Y

A neurotransmitter found in the brain and autonomic nervous system, involved in the regulation of energy balance, memory, and learning.

Eating Behavior

A set of psychological and physiological processes that dictate the consumption, choice, and preferences of food.

Arcuate Nucleus

A nucleus in the hypothalamus involved in appetite regulation and energy homeostasis.