Topic: Experimental Design
1st Attempt: 0 / 20
Final Score: 0 / 20
1. What is the SI unit for temperature?
2. Which apparatus is best for measuring exactly 25.0 cm³ of a solution?
3. Which apparatus can measure 24.10 cm³ of liquid?
4. What is the accuracy of a typical measuring cylinder?
5. Which method is suitable for collecting a gas that is insoluble in water?
6. How should Ammonia gas (less dense than air, soluble) be collected?
7. Which drying agent is acidic and cannot be used to dry ammonia?
8. What is the SI unit of Mass?
9. When reading a concave meniscus, your eye must be level with:
10. Which gas collection method is best for Carbon Dioxide (denser than air)?
11. What drying agent is suitable for alkaline gases like Ammonia?
12. Which apparatus is used to measure time?
13. The SI unit for Time is:
14. Which instrument is used to measure mass?
15. Displacement of water is suitable for collecting Hydrogen because:
16. What is “Fused Calcium Chloride” used for?
17. Which apparatus is NOT used for measuring volume?
18. To convert Temperature from °C to Kelvin (K), you:
19. Which gas is less dense than air?
20. What is “Parallax Error”?
1st Attempt: 0 / 20
Final Score: 0 / 20
Section 2: Quantities & Units
Sort the items into Physical Quantities or SI Units:
Mass
Second
Temperature
Kelvin
Time
Kilogram
Physical Quantity
SI Unit
Section 3: Precision in Measurement
Complete the description of volumetric apparatus:
Pipette
Burette
0.05
0.5
Meniscus
To measure exactly 25.0 cm³ of liquid, a is used.
For a volume like 24.10 cm³, a is required because it is accurate to cm³.
A measuring cylinder is less accurate and reads to the nearest cm³.
When reading the volume, the eye must be level with the bottom of the .