HCT Chemical Safety & SDS Knowledge

Question 1

What does SDS stand for in the context of cleaning chemicals?

Accepted Answer

Safety Data Sheet

Answer

An SDS (Safety Data Sheet) provides comprehensive hazard, handling, storage, and emergency information for chemical products.

Question 2

Which section of an SDS provides first-aid measures in case of accidental chemical exposure?

Accepted Answer

Section 4 – First-Aid Measures

Answer

Section 4 of the SDS is standardized to cover first-aid procedures for inhalation, skin contact, eye contact, and ingestion.

Question 3

What is the danger of mixing bleach (sodium hypochlorite) with ammonia-based cleaners?

Accepted Answer

It produces toxic chloramine gas that can cause serious respiratory harm

Answer

Bleach and ammonia react to form chloramine gases, which are toxic to the respiratory system even in small concentrations.

Question 4

When a cleaning chemical splashes into a technician's eyes, the immediate first step is to:

Accepted Answer

Flush the eyes with clean water for at least 15 minutes and seek medical attention

Answer

Continuous flushing for at least 15 minutes dilutes and removes the chemical to minimize tissue damage.

Question 5

Dilution ratios on cleaning product labels are important because:

Accepted Answer

Using too much product wastes money and can leave harmful residues or damage surfaces

Answer

Over-concentration wastes product, may damage surfaces, and can leave chemical residues that pose health or safety risks.

HCT - House Cleaning Technician Certification Practice Test