$1 \text{ cm} = 0.01 \text{ m}$

Water boils at $100^{\circ}\text{C}$ and $212^{\circ}\text{F}$.

Question 1

Which of the following is the correct SI unit for measuring the mass of a substance in a chemistry laboratory?

Accepted Answer

gram (g)

Question 2

A physician orders 1.5 g of cefuroxime for injection. What type of measurement is indicated by the unit 'g'?

Accepted Answer

Mass

Question 3

Water boils at 100°C. What is this temperature in Kelvin?

Accepted Answer

$373 	ext{ K}$

Question 4

Which of the following is NOT a base unit in the International System of Units (SI)?

Accepted Answer

liter (L)

Question 5

An infant is measured to be 54.6 cm long. What type of measurement is this?

Accepted Answer

Length

Question 6

A medication is to be given to a patient every 4h. What is the SI unit for this type of measurement?

Accepted Answer

second (s)

Question 7

Which of the following statements about mass and weight is correct?

Accepted Answer

Mass does not depend on gravitational force, while weight does.

Question 8

A physician orders 1 L of sodium chloride solution to be given intravenously. What is the SI unit for this measurement?

Accepted Answer

liter (L)

Question 9

Which temperature scale has absolute zero at $-273^{\circ}	ext{C}$?

Accepted Answer

Kelvin

Question 10

A patient has a pulse of 76 beats per minute. Which SI base unit is most closely related to this measurement?

Accepted Answer

second (s)

Question 11

Convert a temperature of $38.5^{\circ}	ext{C}$ to Fahrenheit using the formula $F = \frac{9}{5}C + 32$. What is the result?

Accepted Answer

$101.3^{\circ}	ext{F}$

Question 12

Which of the following is the correct SI unit for measuring length?

Accepted Answer

meter (m)

Question 13

A sample of water has a volume of 250 mL. How many liters is this?

Accepted Answer

$0.25 	ext{ L}$

Question 14

Which of the following is a derived SI unit commonly used by chemists for volume?

Accepted Answer

cubic meter ($	ext{m}^3$)

Question 15

If a solution is measured as 5.2 kg, what is the equivalent mass in grams?

Accepted Answer

$5200 	ext{ g}$

Question 16

Which of the following is the correct conversion factor to change centimeters to meters?

Accepted Answer

$1 	ext{ cm} = 0.01 	ext{ m}$

Question 17

Which of the following best describes the difference between Celsius and Fahrenheit temperature scales?

Accepted Answer

Water boils at $100^{\circ}	ext{C}$ and $212^{\circ}	ext{F}$.

Question 18

A laboratory sample has a mass of 0.75 kg. How many grams is this?

Accepted Answer

$750 	ext{ g}$

Question 19

Which SI unit would be most appropriate for measuring the time it takes for a chemical reaction to complete?

Accepted Answer

second (s)

Question 20

A nurse needs to administer 500 mL of saline solution. How many liters is this?

Accepted Answer

$0.5 	ext{ L}$

Chapter 2: Chemistry and Measurement – Section 2.1: Units of Measurement

Study Guide - Practice Questions