1)
Why does the Torah add the (otherwise superfluous) words "Kodesh Kodashim Hi"?
1.
Zevachim, 96b #1 (according to R. Yehudah): To incorporate all Kodshim 1 in the Din of Merikah and Sh'tifah.
2.
Zevachim, 96b #2 (according to R. Shimon): To incorporate all Kodshei Kodashim in the Din of Merikah and Shetifah.
2)
What is the word "Yochal Osah" coming to preclude?
1.
Zevachim, 96b #1 (according to R. Yehudah: It precludes Terumah from Merikah and Sh'tifah.
2.
Zevachim, 96b #2 (according to R. Shimon: It precludes blood of a Pasul Chatas from the Din of washing.