Talc Is a Mineral with Low Conductivity for Heat and Electricity

question 79

Multiple Choice

Talc is a mineral with low conductivity for heat and electricity which is not attacked by acid. It is used in talcum powder and face powder. Suppose a sample of talc weighs 13.65 g with a density of 1.75 g/cm³ in mineral oil. If this same sample of talc in air weighs 35.97 g, assuming no volume change, what is the density of the talc sample in air?

• A) 4.61 g/cm³
• B) 2.82 g/cm³
• C) 2.63 g/cm³
• D) 2.44 g/cm³
• E) 1.61 g/cm³

---

Definitions:

Fire-Retardant Materials

Materials that are designed or treated to resist fire and reduce its spread, commonly used in construction and manufacturing to enhance safety.

Strict Liability

Legal responsibility for damages, or for performing a specific act, that is imposed without the need to prove fault or negligence.

Defective Condition

A state in which a product possesses an inherent flaw or deficiency that makes it dangerous or unfit for its intended use.

Strict Product Liability

A legal doctrine that holds sellers, manufacturers, or distributors liable for damages caused by defects in their products, regardless of fault or negligence.