Practical Science — Lab Techniques

Grade 8 Science — Practical Science — Lab Techniques: 25 practice questions with instant scoring and explanations.

1. A microscope is used to:
2. The total magnification of a microscope is calculated by:
3. When using a microscope, you should always start with the:
4. Chemical testing can determine the presence of specific:
5. The Benedict's test is used to detect the presence of:
6. The Fehling's test detects:
7. Iodine solution is used to test for the presence of:
8. The Biuret test detects:
9. pH testing involves using:
10. A pH value below 7 indicates:
11. A pH value of 7 indicates:
12. Building an electric circuit involves:
13. A series circuit is one where:
14. A parallel circuit is one where:
15. Heating in the laboratory should be done using:
16. Filtration is a technique used to:
17. Distillation is used to:
18. During distillation, the vapor from boiling liquid is:
19. Laboratory safety rules include:
20. A Bunsen burner produces a flame that is:
21. When heating a test tube with a Bunsen burner, it should be:
22. A mortar and pestle are used to:
23. An evaporating dish is used to:
24. Crystallization is a technique used to:
25. When diluting a concentrated acid, you should always: