High School Q&A 2025 (Kosher Classes 71)
High School Q&A 2025: Vaping; Dairy and DE; Drinks; Hechsherim. See seforim by Rabbi Cohen at www.kashrushalacha.com

High School Q&A 2025: Vaping; Dairy and DE; Drinks; Hechsherim. See seforim by Rabbi Cohen at www.kashrushalacha.com
Sephardim See seforim by Rabbi Cohen at www.kashrushalacha.com
Enzymes: What they are; Examples; Animal-based enzymes; Dried out like wood (יבש כעץ); Inedible and se'or; The teshuvos; Davar Hama'amid. See seforim by Rabbi Cohen at www.kashrushalacha.com
Bitul See seforim by Rabbi Cohen at www.kashrushalacha.com
Bishul Yisroel Q&A: Remote lighting; Sephardim; Pilot light; Oleh al shulchan melachim; Non-Shomer Shabbos; Potato chips; Tuna fish; Eggs; Beans; Sushi; Corn. See seforim by Rabbi Cohen at www.kashrushalacha.com
Inedibles See seforim by Rabbi Cohen at www.kashrushalacha.com
Warming Food on Shabbos: Hot box; Hot plate (plata); Empty pan; Non-Jews; Shabbos Chef. See seforim by Rabbi Cohen at www.kashrushalacha.com
Liver See seforim by Rabbi Cohen at www.kashrushalacha.com
Marijuana and Nicotine: Health and safety; Cigarettes and cigars; Hookah and vaping; Smokeless tobacco; Zyn (nicotine pouches); Marijuana (growing and processing); Hemp and CBD; D8; Pesach. See seforim by Rabbi Cohen at www.kashrushalacha.com
Salt See seforim by Rabbi Cohen at www.kashrushalacha.com
Math See seforim by Rabbi Cohen at www.kashrushalacha.com
Numbers DO Lie: Displaced abomasum; Italian pasta; Laundry-grade glycerin; Copepods in New York water; Milk from many cows; Volume vs. weight; Shiur challah; Heat vs. temperature; Wine in Canadian whisky; Concentrated wine; See seforim by Rabbi Cohen at www.kashrushalacha.com...
Gums See seforim by Rabbi Cohen at www.kashrushalacha.com
Bionaphtha: Naphtha and bionaphtha; Legal fictions (mass balance transfer, ethylene pipeline); Nishtaneh (machlokes, questions, and answers); Masriach, min b'mino, known heter, human intervention; Nifsal mei'achilah. See seforim by Rabbi Cohen at www.kashrushalacha.com
Jewish Ownership See seforim by Rabbi Cohen at www.kashrushalacha.com
Freeze Drying See seforim by Rabbi Cohen at www.kashrushalacha.com
Terumah and Ma'aser: Which foods; Spices / tavlin (vanilla, citrus oils); Hafrashah; Ownership; Kedushah; Biur ma'asros; Kashering. See seforim by Rabbi Cohen at www.kashrushalacha.com
Insects See seforim by Rabbi Cohen at www.kashrushalacha.com
In Vitro Fertilization of Cows: Procedure; Nikav ha'aim (hole in uterus); Ovaries; Mefulash. See seforim by Rabbi Cohen at www.kashrushalacha.com
Danger See seforim by Rabbi Cohen at www.kashrushalacha.com
Milk Substitutes See seforim by Rabbi Cohen at www.kashrushalacha.com
Potato Industry: Bishul Yisroel; IQF; French fries and potato chips; Dehydrated potatoes; Canned; Instant potatoes. See seforim by Rabbi Cohen at www.kashrushalacha.com
Chips See seforim by Rabbi Cohen at www.kashrushalacha.com
Coffee See seforim by Rabbi Cohen at www.kashrushalacha.com
Vertical Farming See seforim by Rabbi Cohen at www.kashrushalacha.com
Coatings See seforim by Rabbi Cohen at www.kashrushalacha.com
Miut Hamatzui: Insects; Muchzak vs. matzui; D'oraisah vs d'rabannan; Definition. See seforim by Rabbi Cohen at www.kashrushalacha.com
Tea See seforim by Rabbi Cohen at www.kashrushalacha.com
Maris Ayin See seforim by Rabbi Cohen at www.kashrushalacha.com
Animal Products: Yotzeh vs. Pirshah; Shellac and Carmine; Bee Products (honey, royal jelly, pollen, beeswax, propolis); Eggs; Yotzeh of a kosher animal; Colostrum; Lanolin. See seforim by Rabbi Cohen at www.kashrushalacha.com