CHEM Lab Assessment

Front

A substance with a pH less than 7 is called a(n) ______.

Back

Acid

Front

What is the volume of the liquid shown in the photo?

Back

24 mL

Front

What laboratory tool is used to measure and transfer small volumes of liquid?

Back

Pipette

Front

What is the correct formula for the compound dinitrogen pentoxide?

Back

N2O5

Front

When Ca²⁺ combines with N³⁻, what is the resultant formula?

Back

Ca₃N₂

Front

What is the pH range of acidic solutions?

Back

pH < 7

Front

What is the pH range of basic (alkaline) solutions?

Back

pH > 7

Front

What is the term for a substance that resists changes in pH when acids or bases are added?

Back

Buffer

Front

What is the chemical formula for sodium chloride?

Back

NaCl

Front

What is the process of a liquid turning into a gas called?

Back

Evaporation