Alcohols

question 41

Multiple Choice

Alcohols:

• A)denature proteins when in a 50-95% solution.
• B)are used to disinfect items by soaking.
• C)are skin degerming agents.
• D)at 50% or higher concentrations dissolve cell membrane lipids.
• E)All of the choices are correct.

---

Definitions:

Labour Efficiency Variance

A measure used in accounting to indicate the difference between the actual number of labor hours used and the standard number of hours that should have been used, multiplied by the standard labor rate.

Variable Overhead

Costs that vary with the level of production or business activity, such as utilities and indirect materials, but do not directly correlate to direct labor or materials.

Variable Overhead Efficiency Variance

The difference between the actual variable overhead costs incurred and the expected (or standard) costs, based on efficient usage of resources.

Actual Labour Hours

The real amount of labor time spent by employees on the production of goods or provision of services.