Quiz on עבודה זרה לט

If the fins and scales of a fish fall off when it is taken out of the water, the fish is kosher.
1. True.
2. False.
3. The scales must stay on.
4. Machlokes A&B.
5. Machlokes A&C.
A river can not have a Chazaka of having only Kosher fish.
1. True.
2. False.
3. Safek.
4. Machlokes A&B.
5. Machlokes A&C.
If a very sharp tasting food is cut with a non-kosher knife, it may not be eaten.
1. True.
2. False.
3. Unless the knife has not been used during the past day.
4. Machlokes A&B.
5. Machlokes A&C.
If the widow of a Talmid Chacham marries an Am ha'Aretz she must accept upon herself the conditions of being a Chaver.
1. True.
2. False.
3. Safek.
4. Machlokes A&B.
5. Machlokes A&C.
Black Salkundris salt is forbidden, white is permitted
1. True.
2. False.
3. Both are forbidden.
4. All fine.
5. Machlokes all but D.
If a Yisroel is sitting by a Goyish farm and cannot see the milking from where he is but could if he stood up that suffices.
1. True.
2. False.
3. Only if the Goy is usually trustworthy.
4. Sofek.
5. Machlokes all but D.