Study Guide for Choson & Kallah · Chapter 8
Intervening substances: review quiz
Check what you've learned about intervening substances: what invalidates an immersion, jewelry, hair, hair dye and nails. Each answer points to the page in Family Purity where it's explained.
The questions follow Chapter 8 of the Study Guide for Choson & Kallah, section by section: Background, Hair, Lice, Hair Dyes and Nails.
Read the chapter first: Intervening Substances, free online. For a practical question, please ask your rav or ask Rabbi Jacobs.