Question 1

Which of the following statements best explains why the goggles on the left side of the image are considered 'Acceptable' for use in the chemistry laboratory, while those on the right are 'NOT Acceptable'?

Accepted Answer

The goggles on the left are indirectly vented or unvented, providing both splash and impact protection, while the goggles on the right are not rated for splash protection and only provide impact protection.

Question 2

According to the image, which ANSI standard must goggles meet to be considered acceptable for splash and impact protection in the laboratory?

Accepted Answer

ANSI Z87.1 or ANSI Z87+

Question 3

Why are goggles that are only rated for impact protection NOT acceptable for use during chemical experiments involving liquids?

Accepted Answer

They do not provide adequate protection against chemical splashes, which can cause serious eye injuries.

Question 4

A student brings goggles that are ANSI Z87.1 rated but have large ventilation holes on the sides. According to the image, are these goggles acceptable for use in the chemistry lab?

Accepted Answer

No, because large ventilation holes do not provide splash protection.

Question 5

Which feature is required for goggles to be considered acceptable for laboratory use, according to the image?

Accepted Answer

They must provide both splash and impact protection.

Question 6

A student is wearing goggles that are labeled as 'impact protection only.' During a lab involving concentrated acids, what is the primary risk associated with these goggles?

Accepted Answer

Chemical splashes could reach the eyes, causing injury.

Question 7

Which of the following best describes the difference between 'indirectly vented' and 'directly vented' goggles in terms of laboratory safety?

Accepted Answer

'Indirectly vented' goggles prevent liquid splashes from entering, while 'directly vented' goggles may allow splashes to reach the eyes.

Question 8

If a laboratory activity involves both glassware and hazardous chemicals, which type of eye protection is required according to the image?

Accepted Answer

Goggles that provide both splash and impact protection (indirectly vented or unvented, ANSI Z87.1 or Z87+).

Question 9

A student forgets their goggles and borrows a pair that is not rated for splash protection. What should the student do according to best laboratory safety practices?

Accepted Answer

Do not participate in the lab until proper goggles are obtained.

Question 10

Which of the following is NOT a reason why splash protection is required for laboratory goggles?

Accepted Answer

To improve the clarity of vision during experiments.

CHEM 1120 General Chemistry – Syllabus, Safety, and Course Structure Study Guide

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