1 Qaysi dispers sistema zarrachalarining o‘lchami 1 nm dan kichik bo‘ladi? a dag‘al dispers sistema, b

Mavzu:Barcha dispers sistemalarning dispers faza va dispersion muhit zarrachalarining katta-kichikligiga qarab sinflarga bo‘linishi va ularning bir-biridan farqi

Test

1) Qaysi dispers sistema zarrachalarining o‘lchami 1 nm dan kichik bo‘ladi?

a) dag‘al dispers sistema,

b) chin dispers sistema

c) kolloid dispers sistema,d) barchasida

2) Molekulyar dispers sistemaga misollar keltiring?

a)mochevina,tuzlar; b)asoslar,kislotalar; c)qand,glukoza; d)qand,kislotalar

3) Qaysi moddalar ”eritmani yoqtirmayman” deb ataluvchi chin dispers sistema bog‘lanishiga kiradi?

a) AgCl zoli,kraxmal; b) Au zoli,oqsil;

c) Fe zoli,o‘rik d) Au,Fe zollari

4)Dispers faza zarrachalarining katta-kichikligiga qarab dispers sistemalarni belgilang?

I – Chin dispers sistema , II – Kolloid dispers sistema , III - Dag‘al dispers sistema

1)1 mkm dan 100 mkm gacha ,

2) 1 mkm dan kichik ,

3) 100 mkm dan yuqori

a)I-2, II-1, III-3

b)I-1, II-2, III-3

c)I-3, II-2, III-1

d)I-1, II-3, III-2

5) Kolloid dispers sistemaning boshqa dispers sistemadan farqi keltirilgan javobni belgilang?

a) pergament qog‘ozdan o‘tmaydi;

b) yorug‘lik nuri orqali Tindal konusini hosil qiladi; c)geterogen; d) barqaror

6) gummi arabik yelim qaysi dispers sistemaga kiradi?

a)kolloid dispers sistema; b) chin dispers sistema; c)dag‘al dispers sistema; d) hammasi

7) Pergament qog‘ozdan o‘tmaydigan dispers sistemalarni belgilang?

a) chin,dag‘al dispers sistemalar

b)kolloid,dag‘al dispers sistemalar

c) chin,kolloid dispers sistemalar

d) chin,kolloid,dag‘al dispers sistemalar

8) Dispers sistemalar dispersion muhitda dispers faza zarrachalarining tarqalishiga va agregat holatiga qarab necha xil bo‘ladi?

a) 7 , b) 8, c) 9 , d) 10

9) Bulutning dispersion muhit va dispers fazasini ko‘rsating?

a) qattiq,gaz

b) suyuq,gaz

c) gaz,qattiq

d) gaz,suyuq

10) Quyidagi moddalarni dispersion muhitda dispers faza zarrachalarining tarqalishi bo‘yicha belgilang?

I – Dispersion muhit ; II – Dispers faza

1)Suyuq , 2) Qattiq , 3) Gazsimon

A)Chang , B) G‘isht , C) Tuman

a)A – I-1, II-3 ; B – I-2, II-1 ; C – I-3, II-2

b)A -I-3, II-2 ; B – I-2, II-3 ; C – I-3, II-1

c) A – I-2, II-3 ; B - I-3, II-1 ; C – I-2, II-3

d) A - I-3, II-2 ; B - I-2, II-1 ; C - I- 3, II-1