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

A) 14,0 B) '16,0 C) 15,25 D) 12,45 '
127.(2013) Magniy sulfat, natriy sulfat va xrom (III) sulfat
kristallogidratlari aralashmasi tarkibida vodorodning
massa ulushi 4,75% metallarning massa ulushlari
yig'indisi 15,25% metallar bo'lsa, shu aralashmadagi
oltingugurtni massa ulushini (%) aniqlang?
A) 12,0 B) 16,0 C) 21,0 D) 14,0
42 Reaksiya tenglamalari asosida masalalar.
128.(2013) Kalsiy sulfat, temir(II) sulfat va alyuminiy
sulfat kristallogidratlari aralashrnasi tarkibida massa
jihatidan 4,5% vodorod va 65,33% kislorod bo'lsa,
shu aralashmadagi .oltingugurtning massa ulushini
(%) aniqlang?
A) 14,67 B) 15,33 C) 13,07 D) 16,03
129.(2013) Magniy sulfat, mis (H) sulfat va temir (II)
sulfat kristallogidratlari aralashmasi tarkibida massa
jihatidan 14% oltingugurt va 64% kislorod bo'lsa, shu
aralashmadagi metallarning massa ulushlari yig'indisini
(%) aniqlang?
A) 20,0 B) 17,5 C) 12,8 D) 22,0
130.(2012) Al2(SO4)3-nH2O kristallogidrati tarkibidagi
aluminiy va oltingugurtning massa ulushi 22,52% ga
teng bo'lsa, n ning qiymatini toping.
A) 14 B) 16 C) 12 D) 18
131.(2012) Al2(SO4)3-nH2O kristallogidrati tarkibidagi
aluminiy va oltingugurtning massa ulushi 26,88% ga
teng bo'lsa, n ning qiymatini toping;
A) 14 B) 12 C) 10 D) 7
132.(2012) 136,8 gr aluminiy sulfat kristallogidrati
tarkibida 433,44-1023 ta proton bo'lsa, kristallogidratdagi
tuzning massa ulushini (%) aniqlang?
A) 45,6 B) 66,7 C) 33,3 D) 50,0 ,
133.(2012) 205,2 gr -aluminiy sulfat kristallogidrati
tarkibida 66,22-1024 ta proton bo'lsa; kristallogidratdagi
tuzning massa ulushini (%) aniqlang?
A) 33,3 B) 40,0 C) 66,7 D)60,0
134.(2012) MgSO4-KCl-nH2O tarkibli kristallogidrat
tarkibida 45% kislorod' bo'lsa, n ning qiymatini
aniqlang? -
A) I B) 2 • C) 3 D) 4
135.(2012) K2SO/Fe2(SO4)3-nH2O tarkibli kristallogidrat
'tarkibida 60% kislorod bo'lsa, n ning qiymatihi
aniqlang?
A) 15 B) 17 C) 18 D) 20
136.(2012) K2SO4-Al2(SO4)3-nH2O tarkibli kristallogidrat
tarkibida 66,7% kislorod bo'lsa, n ning qiymatini
> i a n i q l a n g ? ••••'' '••', • . • :' ••'•.''
-•;:•• A ) 2 4 i • • © ) > 2 3 ^ " - G ) 2 2 -• ' - D ) 2 1 • •'-•'
137.(2012) MgSO/K;Cl-nH2O tarkibli' kristallogidrat
tarkibida 41,65% kislorod bo'lsa, n ning qiymati-
• s n i a n i q l a n g ? .' - . . ' . - ; .-•.•:.•• ,-.'•;•. . ''
' A ) i •- B ) 2 • • - • • • ' • -:G-) 3 •'':- • : i ' D ) 4 • '
138.(2012) K2SO4-Fe2(SO4)3-nH2O tarkibli kristallogidrat
tarkibida 61,67% kislorod bo'lsa, n ning qiymatini
aniqlang?
A) 15 B) 17 C) 18 D) 20
139.(2012) K2SO4-Al2(SO4)3-nH2O,tarkibli kristallogidrat
tarkibida' 66,2% kislorod bo'lsa, n ning qiymatini
aniqlang? ' — . : , , ;
A) 25 - B) 23 ' C)J19 ' D) 21 r
140.(2012)' Nfitriy sulfat' kristallogMrati tarkibida
72,24-1022 ta natriy atbmi va 39,732-1028 ta kislorod
atomi bo'lsaVshu kristallogidrat tarkibidagi vodorod
atomlari sonini aniqlang? • '
. A) 25,28-lff3 ,.,„ , ; . ..B.) 198,66-10?3 „ . , :?:
C) 50,57-lp23 , ", '. , ':D) 9 9 , 3 \
141.(2012) Natriy sulfat kristallogidrati tarkibida
, 72,24-1022ta natriy atomi va 39,732-1023 ta kislorod
atomi bo'lsa, shu kristallogidrat tarkibidagi suv
.. molekelalari sonini aniqlang?
A) 25,28-1023 B) 198,66-1023
C ) 50,57,-lQ23 . . . D) 99,33-1023
142.(2011) Quyida oksidlar qaysi birining tarkibida xlorni
foizi ko'p? • .-•.-••
•• A) C12O " B) C12O5 -.
C)C12O7 D)C12O3
143.(2011) Quyidagi qaysi moddada xlorning massa
ulushi yuqori?
A) KC1O3; B) KC1O4,
C) KC1O2; D) KC10.
144.(2011) Xlorning kislorodli kislotalardan birining kaliyli
tuzi tarkibida 46,2% kislorod bor. Bu tuzning
formulasini toping.
A) KC1O2 B) KC1O4
C) KC1O D) KC1O3
145.(2011) Xlorning kislorodli kislotalardan birining ka->
liyli tuzi tarkibida 39,1% kislorod bor. Bu tuzning
formulasini toping.
A) KC104 ......... B) KC10
C) KC1O3 D) KC1O2
146.(2010) Na2SO4-nH2O tarkibida kislorodning massa
ulushi 69,56% bo'lsa, kristallogidrat tarkibida necha
- mol suv bor? , .
A) 10 ' ' • " : ; B ) 8 .'• •
C) 9 , -j , D) 7.
147.(2010) Tarkibida 6,02-1023 ta oltingugurt atomi
bo'lgan temir kuporosining massasini (g) hisoblang.
A),27,8r :-. B) 152
C) 278 D) 242
148.(2010) Tarkibida 6,02-1023 dona oltingugurt atomi
bo'lgan mis kuporosining massasini (g) hisoblang.
A) 25 B) 250
C) 160 [ •''•'" D) 64
149.(2010) Geliyga nisbatan zichligi 11 bo'lgan, tarkibida
uglerod massa ulushi 50% dan yuqorini tashkil
qilgan modda(lar) ni aniqlang.
1) karbonat angid rid; 2) azot(I) oksid;
3) propan; 4) etanal.
. A ) 1,4 , ••••: • B ) 4