According to Halachah 1 (הלכה א׳), when does a forbidden substance mixed with a permitted substance of the SAME type become nullified?
For same-type mixtures, since flavor cannot be distinguished, the Rambam rules that majority suffices to nullify — no taste test is required.
Question 2
In Halachah 9 (הלכה ט׳), why is chametz on Pesach treated differently from other forbidden substances?
The Rambam explains that chametz is not governed by the normal nullification principles because its prohibition derives from a different rationale — its intrinsic significance — not the standard flavor-based logic.
Question 3
According to Halachah 19 (הלכה י״ט), why does an egg containing a chick require 61 other eggs to be nullified rather than just 60?
The principle of beriah (complete creature) means the forbidden item cannot be counted among the permitted ones. Therefore one needs 61 permitted eggs alongside it — not 60 — for nullification.
Question 4
What does Halachah 25 (הלכה כ״ה) say happens if someone intentionally adds permitted food to nullify a Scriptural prohibition?
Although the mixture would technically be permitted after the fact (b'dieved), the Sages penalized anyone who intentionally diluted a Scriptural prohibition — forbidding the mixture specifically to that person.
Question 5
According to Halachah 32 (הלכה ל״ב), what happens if kosher meat is roasted together with nevelah in the same oven?
Even without physical contact, roasting kosher and non-kosher meat in one oven causes the kosher meat to absorb the flavor of the nevelah through vapor — rendering it forbidden.