96. 100 g 91 % li sulfat kislota eritmasiga 300 g SO
3
shimdirilganda necha foizli oleum hosil bo’ladi?
A) 35 B) 65 C) 75 D) 25
97. Gidrolizga uchraganda neytral muhit hosil
qiladigan tuzni
toping? A) (NH
4
)
2
S B) NaCl C) Na
2
CO
3
D) ZnCl
2
98. Izomerlar soni H soniga teng bo’lgan alkanni toping.
A) butan B) geptan C) oktan D) nonan
99. FeCl
3
+H
2
S=.... davom ettiring koefsientlar yig’indisini
aniqlang. A) 5 B) 8 D) 6 D) 11
100. Qanday reaksiyalar oksidlanish-qaytarilish reaksiyalariga
mansub? 1) gidroliz 2) elektroliz 3) birikish 4) almashinish 5)
o’rin-olish A) 2,3,5 B) 1,2,4 C) 1,3,4 D) 2,4,5
101. Alyuminotermiya qaysi olim tomonidan ochilgan?
A) Beketov B) Zelinskiy C) Lomonosov D) Butlerov
102. Davrlarda Ftorga tomon ortib boradigan (a),
natriyga tomon kamayib boradigan(b) davriy xossani ko’rsating?
A) a-atom radiusi, b-metallik B) a-elektromanfiylik, b-
metallmaslik C) a-atom radiusi, b-elektromanfiylik
D) a-elektromanfiylik, b-atom radiusi
103. pH qiymati 4 ga teng bo’lgan eritma lakmusni
qanday rangga
bo’yaydi?
A) binafsha B) qizil C) ko’k D) sariq
104. normal butandan necha xil ikki valentli
radikal hosil qilish
mumken?
A)5 B)4 C)6 D)2
105. Molyalligi 5 ga teng bo’lgan Na
2
SO
4
eritmasining molyar
konsentratsiyasi 3,655 ga teng bo’lsa, eritmaning zichligini
aniqlang? A) 1,368 B) 1,25 C) 1,44 D) 1,125