Around the Room Lab

A chemist adds HCl to NaOH and does a few tests after mixing the two: 1. She tests the pH and notices it has changed dramatically from before and 2. She notices a color change...What properties is she observing?

• Chemical

• Physical

• Nuclear

• None of the above

How do we measure mass in Chemistry?

• pounds

• grams

• cm3

• all of the above

True or False: The greatest way to determine if a substance is a metal or nonmetal is to see if it is magnetic.

• True

• False

When doing an experiment where we are testing variables, the variable we are studying is the ___________.

• inconsistent variable

• independent variable

• dependent variable

• theoretical variable

Which of the following would you use to measure the length of a bus?

• Kilograms

• milliliters

• Megameters

• Meters

Which of the following elements is dense, malleable, ductile, conducts electricity and looks like it's symbol is for Peanut Butter?

• Sulfur

• Calcium

• Sodium

• Lead

Name at least 2 safety measures/items in the room.

After looking at the prefixes and suffixes, which of the following would likely be a mixture that is visibly different throughout?

• Homogeneous

• Heterogeneous

• Polyatomic

• All of the above