Why can a person's sense of smell not be...

Question 1 / 2066636ee728f7522a1c5185a6

Question 1 of 2066636ee728f7522a1c5185a6

Why can a person's sense of smell not be depended upon to detect H2S?

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Question 1 of 20

66636ee728f7522a1c5185a6

Why can a person's sense of smell not be depended upon to detect H2S?

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🔍 Key Concepts

• Properties of hydrogen sulfide (H2S), especially its odor at low vs. high concentrations • Limitations of human senses as gas detectors in hazardous atmospheres • Why industrial safety rules require gas detectors instead of relying on smell

💭 Think About

• At what concentration range is H2S known for having a strong, characteristic smell, and what happens to that smell at higher concentrations? • In a confined space or tank, would you trust your nose alone to decide if an area is safe, or would regulations require an instrument? Why? • Which option describes a specific effect H2S has on the body that would make smell unreliable as a warning sign?

✅ Before You Answer

• Compare each choice with known facts: H2S is famously associated with a particular strong odor at low levels—does that rule out any options? • Ask: does any option describe why your nose could stop warning you even when dangerous levels are present? Focus on that effect. • Remember: Safety doctrine says “never trust your senses” for toxic gas detection—look for the answer that explains a physiological reason your nose can’t be trusted.

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Question 1 of 20

Why can a person's sense of smell not be depended upon to detect H2S?

hydrogen sulfide gas is odorless

the sense of smell is deadened by the gas

it is better to rely on eye irritation as a detector

it has a smell similar to petroleum products

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Question 1 / 2066636ee728f7522a1c5185a6

Question 1 of 2066636ee728f7522a1c5185a6

Why can a person's sense of smell not be depended upon to detect H2S?

Back

Question 1 of 20

66636ee728f7522a1c5185a6

Why can a person's sense of smell not be depended upon to detect H2S?

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

Quick actions

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