true or false give me answer$\mathrm{.}10-$ Acid soluble chlorides measurement provides the free chloride content in concrete.

Response:

$11-$: No specification relating to the concrete binder composition is provided in AS$5100\mathrm{.}5.$

Response:

$12-$ The chloride concentration at the surface of concrete $(c_s)$ is higher in permanently

submerged condition than in tidal zone.

Response:

$13-$ Concrete carbonation leads to a decrease in the pore solution pH $.$

Response:

$14-$ The corrosion pattern of steel reinforcement in carbonated concrete is uniform.

Response:

$15-$ Carbonation$-$induced corrosion happens more frequently in elements that are exposed to

wetting and drying cycles.

Response: