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Exam (elaborations)

IDRL 308 Chapter 5 Questions and Correct Answers/ Latest Update / Already Graded

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IDRL 308 Chapter 5 Questions and Correct Answers/ Latest Update / Already Graded

Institution
IDRL 308
Course
IDRL 308









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Institution
IDRL 308
Course
IDRL 308

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Uploaded on
January 7, 2026
Number of pages
15
Written in
2025/2026
Type
Exam (elaborations)
Contains
Questions & answers

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Page |1


IDRL 308 Chapter 5 Questions and Correct
Answers/ Latest Update / Already Graded
Hydraulic fracturing

Ans: Process injecting fluid under high pressure to extract
petroleum


Fracking chemicals

Ans: Mixture of water, sand, and various harmful substances


Chemical hazards

Ans: Substances causing harm to human tissue or physiological
functions


Toxicity

Ans: Ability of a substance to cause injury


Local toxicity

Ans: Reaction at the point of contact with a harmful substance


Systemic toxicity

All rights reserved © 2025/ 2026 |

, Page |2


Ans: Harmful reaction in a body area other than the point of
contact


Acute toxicity

Ans: Immediate harm from exposure to a chemical


Chronic toxicity

Ans: Long-term harm caused by exposure to a substance


Latency period

Ans: Time between exposure to a chemical hazard and
symptom development


Oral LD50 (rat)

Ans: Lethal dose of a substance for rats via ingestion


Contact dermatitis

Ans: Skin inflammation from exposure to irritants or allergens


Rubber accelerators

All rights reserved © 2025/ 2026 |

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