Review for Measurement Test

Which of the following observations is quantitative?

• The liquid turns blue litmus paper red.
• The liquid boils at 100°C.
• The liquid tastes bitter.
• The liquid is cloudy.

Which of the following observations is qualitative?

• A chemical reaction was complete in 2.3 seconds.
• The solid had a mass of 23.4 grams.
• The pH of a liquid was 5.
• Salt crystals formed as the liquid evaporated.

All of the following are examples of units except

• mass
• kilometer
• gram
• ounce

The SI base units for length and time are

• centimeter and second.
• meter and hour.
• centimeter and hour.
• meter and second.

The symbol for mm represents

• micrometer
• millimeter
• milliliter
• meter

The symbols for units of length in order from largest to smallest are

• m, cm, mm, km
• mm, m, cm, km
• km, mm, cm, m
• km, m, cm, mm

The quantity of matter per unit volume is

• mass
• weight
• inertia
• density

A volume of 1 milliliter is equivalent to

• 1 cubic centerimeter
• 1 gram
• 1 liter
• 10–1 cubic decimeters.

Which of these symbols represents a unit of volume?

• mL
• mg
• mm
• cm

The SI base unit for time is the

• day.
• hour.
• minute.
• second.