QUIZ

This is the fundamental quantity

for amount of substance.

• A. kilogram

• B. mole

• C. meter

• D. second

2. What unit is commonly used to express molecular mass?

• A. amu

• B. mol

• C. g/mol

• D. liters

3. This is the fundamental quantity

for amount of substance.

• kilogram

• mole

• liter
• gram

4. How does learning about molecules and molar masses help in real-life

applications such as food and nutrition?

• A. It helps us identify the color of food.

• B. It helps us understand the nutrient composition and energy content in food.

• C. It makes food look more appealing.

• D. It only applies to laboratory experiments.

5. Why is the mole concept useful in chemistry?

• A. It helps measure large quantities of very small particles

• B. It measures only liquids and gases

• C. It represents only the mass of substances

• D. It replaces the need for a periodic table