Tlar to'plami kimyo fanidan mavzulashtirilgan testlar mega to'plami

3 ) N e •-• • • • • • • • • • . • •
:
4 ) C •• • •• • •••
a) l,99-10-23 . :-.•' b) 3V32-10"23'
c) l,99-10-22 d);3,32-10:23v;: - >
A) 3-dpl-b; 4-c; 2-a B)2~c; 3-d; 4-a; 1-b*
; C) 3-b; 4-a; 1-d; 2-c D) 2-a; 4-c; 1-d; 3-b
153.(2013) Quyidagi moddalarni ularning bitta molekulasi(
atomi) ning massasi (gr) bilan juftlab ko'rsating.
l)Ga3(PO4 ) 2 2)H2O
. 3 ) P .. • : ' , . ' 4) glukoza,.. :•••. ;>
a ) 2 , 9 9 - 1 0 " 2 3 :, -,..- , . b ) , 5 , 1 5 - 1 0 - 2 2 - •, •••''-•, .
c) 2,99-1022 d) 5,15-Hr23
A) 3-d; 1-b; 4-c;2-a B) 2-c;- 3-d;.4-a; 1-b,
C) 3-b; 4-a; 1-d; 2-c D) 2-a; 4-c; 1-d; 3-b
154.(2013) Quyidagi moddalarni ularning bitta molekulasining
massasi (gr) bilan juftlab ko'rsating.
1) CaBr2 2) fruktoza
3) D2O 4) H2O
a) 2,99-10 22 • b) 3,32-10"22
c) 2,99-10"23 d) 3,32-10 2i
A) 3-d; 1- b; 4-c; 2-a B) 2-c: 3-d; 4-a; 1 b
C) 3-b; 4-a; 1 -d; 2-c D) 2-a; 4-c; 1 -d; 3-b
155.(2013) I valentli element fosfiddagi eloktronlar soni
uning oksidiga qaraganda 1,6 marta ko'p bo'lsa, nccha
gr shu element fosfid tarkibida 156,52-102;i ta ncytron
bo'ladi?
A) 50,0 B) 74,0 C) 26,0 D) 65,0
156.(2013) II valentli element fosfiddagi elektronlar soni
uning oksidiga qaraganda 3,5 marta ko'p bo'lsa, nccha
gr shu element fosfid tarkibida 113,176-102J ta ncytron
bo'ladi?
A) 53,6 B) 40,0' C) 72,8 D) 35,6
157.(2013) I valentli clement fosfiddagi neytronlar soni
uning oksidiga qaraganda 1,75 marta ko'p bo'lsa,
necha gr shu element fosfid tarkibida 72,24-1023 ta
clektron bo'ladi?
A) 50,0 B) 74,0 C) 26,0 D) 15.6 •
158.(2013) III valentli element fosfiddagi elektronlar soni
uning oksidiga qaraganda 1,7 marta kam bo'lsa, necha
gr shu element fosfid tarkibida 66.22-1023 ta neytron
bo'ladi?
A) 43,5 B) 21,0 C) 29,1 D) 23,1
159.(2013) I valentli element fosfiddagi neytronlar soni
uning oksidiga qaraganda 1.625 marta ko'p bo'lsa,
necha gr shu element fosfid tarkibida 72,24-1023 ta
elektron bo'ladi?
A) 50,0 B) 37,0 C) 25,0 D) 32,5
160.(2013) II valentli element fosfiddagi neytronlar soni
uning oksidiga qaraganda 3,4 marta ko'p bo'lsa, necha
gr shu element fosfid tarkibida 99,33-1023 ta elektron,
bo'ladi? • •'. •;;; ;
A) 40,2 B) 45,5 C) 22,25 D) 33,5
161.(2013) I valentli element fosfiddagi elektronlar soni
uning oksidiga qaraganda 1,6 marta ko'p bo'lsa, necha
gr shu element fosfid tarkibida 62,608-1023 ta neytron
bo'ladi? •. •. • ••'•.':. • • • - . . .
A) 29,6 B) ,20,4 •; C) 25,0 \ D) 20,0 >
162.(2013) III valentli element fosfiddagi elektranlar a
uning oksidiga qaraganda 1,7 marta kam bo'lsa. necha
gr shu element fosfid tarkibida 397,32-lD22 ta neytron
bo'ladi?
A). 26,1 , -....- B),17,4
'..'-.. C) 8,4 :. . D)12,6
163.(2013) I valentli element fosfiddagi neytronlar soni
uning oJcsidiga qaraganda 1,625 marta ko'p bo'lsa,
necha gr shu element fosfid tarkibida 577,92-1022 ta
elektron bo'ladi?
A) 29,6 B) 10,4
C) 20,0 ' ' •-; , / D) 25,0 '
164.(2013) I valentli element fosfiddagi neytronlar soni
. uning sulfidiga qaraganda 1,3 marta ko'p bo'lsa, necha
gr shu element fosfid tarkibida 577,92-1022 ta elektron
bo'ladi?
A) 29,6 B) 20,0 C) 10,4 D) 25,0
165.(2013) II valentli element fosfiddagi elektronlar soni
uning sulfidiga qaraganda 2,5 marta ko'p bo'lsa, necha
gr shu element fosfid tarkibida 138,46-1023 ta ney-