Practical Chemistry

Which of the following should not be worn during a laboratory activity?

• sandals

• loose clothing

• dangling jewelry

• all of the above.

Part of lab safety includes reading the lab procedure...

• before doing the lab

• while doing the lab

• after doing the lab

• only if you think you really need it

The lab equipment seen in the image should be worn during a lab investigation when...

• using glassware.

• using chemicals.

• using heat/fire.

• using any of the above.

Identify the primary function of the lab equipment seen in the image.

• Mixing liquids

• Measuring liquid volume

• Mixing solids

• Measuring mass

Identify the primary function of the lab equipment seen in the image.

• Transfer small amounts of liquid

• Transfer large amounts of liquid

• Measure liquid volume

• Mixing liquid chemicals

A beaker is used to measure volume in which metric unit?

• Milliliters (mL)

• Grams (g)

• Meters (m)

• Kilograms (kg)

To be read accurately, one must place a graduated cylinder on a flat surface and measure at the bottom of the _______________ curve.

• Centrifugal

• Capillary

• Meniscus

• Infinity

Horseplay or practical jokes in the laboratory are

• always against the rules.

• okay.

• not dangerous.

• okay if you are working alone.

Which of the following is a common indicator used to determine the pH of a solution in practical chemistry?

• Litmus paper

• Bromothymol blue

• Phenolphthalein

• All of the above

What is the primary purpose of using a Bunsen burner in a chemistry lab?

• To measure the mass of substances

• To heat substances

• To mix chemicals

• To filter solutions

Tags

NGSS.MS-PS1-4