Take this fun lab safety quiz to see if you're prepared for the laboratory. Download and print the PDF quiz and get answer with explanations. Lab Safety Quiz PDF and Answers This entry was posted on September 14, 2022 by Anne Helmenstine (updated on September 29, 2022)
Learn what a mordant is and how it works. See examples of mordants in the Gram stain and in the dyeing industry. What Is a Mordant? Definition and Examples This entry was posted on March 17, 2021 by Anne Helmenstine (updated on May 10, 2021)
Learn about litmus paper and how to perform and interpret the litmus test. Litmus Paper and the Litmus Test This entry was posted on January 20, 2021 by Anne Helmenstine (updated on February 14, 2023)
Get the filtration definition and learn about filtration processes. Learn the difference between a filter and a sieve. What Is Filtration? Definition and Processes This entry was posted on November 15, 2020 by Anne Helmenstine (updated on May 2, 2021)
Learn how to make thymolphthalein pH indicator. Learn about its color, uses, and where to buy it. How to Make Thymolphthalein pH Indicator This entry was posted on September 9, 2020 by Anne Helmenstine (updated on January 19, 2022)
Here are important lab safety rules and guidelines Lab Safety Rules and Guidelines This entry was posted on August 11, 2020 by Anne Helmenstine (updated on September 23, 2022)
It's easy to make potassium chlorate at home using bleach and salt substitute. How to Make Potassium Chlorate at Home From Bleach and ... This entry was posted on July 18, 2020 by Anne Helmenstine (updated on January 15, 2023)
EDTA isn't soluble in water unless the pH is at least 8, so you need to add NaOH to make EDTA solution. How to Make EDTA Solution This entry was posted on July 6, 2020 by Anne Helmenstine (updated on August 23, 2021)
Always add acid to water, not water to acid. Otherwise, the acid can splatter and splash up. Add Acid to Water or Water to Acid? Safely Diluting ... This entry was posted on May 17, 2020 by Anne Helmenstine (updated on February 14, 2023)