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

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

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