T-033 Tabiiy fanlar sinov (1529752)

95. Quyidagi jadvaldan foydalanib x/y ni hisoblang.

A) 4 B) 8 C) 10 D) 6
96. 50 litrli reaktorda 70 g is gazi va 5 g vodorod
bor. Ushbu reaktorga necha gramm suv bug‘lari qo‘shilganda is gazining 60% i karbonat angidridga
[CO(g) + H2O (g) ←→ CO₂ (g) + H₂(g) aylanadi? (KM=2)
A) 72 B) 45 C) 81 D) 54
97. Ekvimolar nisbatda olingan alkan va is gazidan iborat 0,6 mol aralashma yondirilganda 1,5 mol karbonat angidrid ajraldi. Alkanni aniqlang.
A) propan B) metan C) butan D) etan
98. Aluminiy nitratning 200 ta molekulasini
tutuvchi eritmada dissotsilanish oqibatida hosil
bo‘lgan anionlar soni dissotsilanmagan
molekulalar sonidan 480 taga ko‘p bo‘lsa,
dissotsilanish darajasini (%) toping.
A) 75 B) 85 C) 80 D) 90