MAP Safety and Compliance 4

Question 1

A student is using a hot plate. After turning it off, how should they check if it is cool?

Accepted Answer

Hold a hand slightly above it to feel for heat

Answer

Feeling for radiating heat without contact avoids burns from a surface that looks cool.

Question 2

What is the main purpose of a Safety Data Sheet (SDS)?

Accepted Answer

To provide hazard, handling, and first-aid information for a chemical

Answer

An SDS gives detailed information about a chemical's hazards and safe handling.

Question 3

Which is the correct procedure when diluting an acid with water?

Accepted Answer

Add acid slowly to water

Answer

Adding acid to water prevents dangerous splattering from rapid heat release.

Question 4

Why should students never eat or drink in a science lab?

Accepted Answer

Food or drinks could become contaminated with chemicals

Answer

Chemicals can contaminate food and drinks, leading to accidental ingestion.

Question 5

A small fire starts in a beaker on a lab table. What is often the safest first step if trained and directed?

Accepted Answer

Cover the beaker to cut off oxygen and alert the teacher

Answer

Smothering a small container fire removes oxygen, and the teacher must be alerted right away.

MAP - Missouri Assessment Program Practice Test