13
b)
Qaynamaydi, ko’pik hosil bo’lmaydi---------------------------------------------------
14
13.a)
O’g’it oq rangda yoki loysimon va kukun holda –-----------------------------
OHAK
14.a
) O’g’it quruq, oq rangli---------------------------------------------------------------------
15
b)
O’g’it oq rangli emas----------------------------------------------------------------------
16
15.a)
O’g’it eritmasiga kumush nitrat
(AgNO
3
)
ta’sir ettirilganda – oq cho’kma hosil
bo’ladi.
Cho’kmaning
ustki
qatlami
sarg’ish
rangda
-------------------------
PRESIPITAT (CaHPO
4
*2N
2
O)
b)
Cho’kmaning ustki qatlamida sariq rang bo’lmaydi -----------------------------
GIPS
16. a)
O’g’it to’q-kul rangda, kukunsimon yoki granulasimon, muhiti kislotali ------
SUPERFOSFAT (Ca(H
2
PO
4
)
2*
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