CORRECT ACTUAL QUESTIONS AND
CORRECTLY WELL DEFINED ANSWERS
LATEST ALREADY GRADED A+ 2025 - 2026
A chemical with a pH of 10 is how many times more alkaline
than a chemical
with a pH of 7? - ANSWERS-The pH scale is based on
logarithm, and a difference of one unit pH
represents a tenfold, or ten times, change. A pH of 7 is
neutral, and any pH
higher than 7 is more alkaline. Thus, a difference in 3 pH
units (pH 10 - pH 7)
represents 10 x 10 x 10, or 1,000 times more alkalinity.
According to the Department of Transportation (DOT),
training for hazmat
employees must occur within how many days after initial
hire or change in job
function? - ANSWERS-A hazmat employee must receive
training within 90 days after
, employment or a change in job function and at least once
every 3 years.
Completing the training after a 90-day period may result in a
fine, for example
$1,500 and up for every 10 or fewer employees not trained.
For a complete list
of violations and baseline citations, see "Appendix A to
Subpart D of Part 107,
Guidelines for Civil Penalties," in the Code of Federal
Regulations.
The process used to remove dirt, soil, and some germs from
environmental
surfaces is - ANSWERS-cleaning.
Which of the following is the minimum temperature for
optimal bleaching of
linens? - ANSWERS-According to AHE (CHESP study guide), if
the temperature range is less
than 150° F, the release of active chlorine may not be
optimal for bleaching and
effective pathogen kill.