The activated carbon used for absorbing odours can often be reactivated
a. by heating it
b. by cooling it
c. by exposing it to a DC current
d. with chlorine bleach
e. by soaking it in water
Answer: A
The activated carbon used for absorbing odours can often be reactivated
a. by heating it
b. by cooling it
c. by exposing it to a DC current
d. with chlorine bleach
e. by soaking it in water
Answer: A