Kimyofaniningvazifalarivarivojlanishi,O’zbekistonlik kimyogarolimlarningkimyofanigaqo’shganhissalari,moddavauning xossalari,sofmoddavaaralashmamavzulariyuzasidantestlar

1	2	3	4	5	6	7	8	9
10
B	A	D	D	B	A	C	A	D	B
11	12	13	14	15	16	17	18
C	D	B	C	B	A	D	C

19.Tarkibidasuvtutuvchituzlar


20.8000l


21.¾ qismi


22.Ozonvaxlor
23.Kalsiyvamagniy
24.Aralashma


25.1,35·10⁶km³


Suv-engyaxshierituvchi.Eruvchanlik
1.Fiziologiksuyuqliklarkeltirilganqatornitoping. A)limfa,so’lak B)qon,limfa C)jigar,qon D)so’lak,qon 2.70kgog’irlikdagiodamtanasidanechakgsuvbor? A)26 B)36 C)39 D)49

3.Meduzalartanasining(maksimal)necha%suvdaniborat?

A)98% B)76% C)97% D)87%

4.Quruqlikdagichuchuksuvvamuzliklardagisuvbirgalikdanechatonnanitashkil etadi?

A)4∙10¹⁵t B)1,4∙10¹⁶t C)1∙10¹⁵t D)1,6∙10¹⁶t

5.Gangadaryosiyiliganechatonnatuznieritibdunyookeanigatashlaydi? A)1∙10⁷t B)1∙10⁸t C)1∙10⁶t D)1∙10⁹t

42

6.1000gyomg’irsuvibug’latilgandanechagqatiqqoldiqqoladi?
A)2-4g B)3-6g C)4-6g D)3-5g
7.Xonaharoratida(20⁰C)100gsuvdanechagqanderiydi?
A)20g B)50g C)100g D)200g

8.Qandaymoddalargayaxshieruvchanmoddadeyiladi.(100gerituvchimisolida)? A)1gdanortiqerisa B)10gdankamerisa C)1-10goralig’idaerisa D)10gdan ortiqerisa

9.100gerituvchida1gdankammoddaerisabuqandayeruvchimoddahisoblanadi? A)amaldaerimaydigan B)yaxshieriydigan C)ozeriydigan D)umuman erimaydigan

10.Amaldaerimaydiganmoddadebqandaymoddagaaytiladi(100gerituvchi misolida)?

A)0,01gdankamerisa B)0,1gdankamerisa C)1gdankamerisa D)10gdankamerisa

11. 
    Quyidagituzlarning qaysibirining eruvchanligiharoratortganda deyarli o’zgarmaydi?
    

A)qo’rg’oshin(I)nitrat B)kaliynitrat C)natriyxlorD)kaliyxlorat

12.300gqandningto’yinganeritmasibug’latilgandaidishtubidanechagqandqoladi? A)100 B)200 C)150 D)50

13.Tuzningeruvchanlikkoeffisienti22gatengbo’lsa,250gsuvdanechagtuzeriydi? A)55 B)44 C)33 D)22

14.Eruvchanliknechagerituvchidaerishqobiliyatihisobidabelgilanadi? A)10g B)50g C)100g D)1000g

15.Gazlarningsuvdaeruvchanligiquyidagiqaysiholardakamayadi? A)haroratkamayganda B)bosimortganda C)haroratortganda,bosimortganda D)haroratortganda

16.Quyidagimoddalarningqaysilarisuvdayaxhsieriydi?

1.Qand 2.Kislorod 3.Ichimliksodasi4.Ammiak 5.Vodorodxlorid6.Oshtuzi
7.Gips 8.Vodorod
A)2,7,8 B)1,3,4,5,6 C)1,2,4,6,8 D)1,3,5,6,7
17.Quyidagiqaysimoddalarningeruvchanligiharoratortishibilankamayadi?
1.Ammiak 2.Oshtuzi 3.Kaliynitrat 4.Kislorod 5.Vodorodxlorid6.Shakar
A)1,4,5 B)1,2,6 C)3,4,5 D)2,3,6
18.Tuzningeruvchanlikkoeffisienti20⁰Cda20,5ggateng.Shuharoratda450g eritmadanechagtuzbor?

A)76,56g B)92,25g C)73,08g D)80,04g

19.Eruvchanliknima?________________________________________________

______________________________________________________________________

20.To’yinganeritma-
__________________________________________________________________
21.Tuzningeruvchanlikkoeffisientixonaharoratida11,2gatengbo’lsa,shu

haroratda300gsuvdanechagtuzeriydi?__________________________________________

22.Kalsiynitratning20⁰Cdagieruvchanlikkoeffitsienti129,2gbo’lsa,shuharoratda to’yinganeritmadagikalsiynitratningmassaulushinitoping.

___________________________________________________________________

43

23.20⁰Cda100gsuvda44.8g,50⁰Cda65,8gtuzeriydi.Shutuzning50⁰Cdagi to’yingan300geritmasi20⁰Cgachasovutilgandanechagtuzcho’kmagatushadi?_
______________________________________________________________________

24.Dunyodagibarchadaryolardunyookeaniganechatonnatuznieritibtashib keltiradi?

____________________________________________________________________

25.Gazlarningeruvchanligibosimortishibilanqandayo’zgaradi?________________


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