Oddiy va murakkab moddalar

9. Allotropik shakl o’zgarishlariga ega bo’lmagan moddani toping.
A) uglerod B) fosfor C) oltingugurt D) astat
10. Allotropik shakl o’zgarilarga ega bo’lgan IV guruh elementini ko’rsating?
A) C B) P C) O₂ D) S
11. Allotropik shakl o’zgarishga ega bo’lgan moddalar qatorini aniqlang.
1) mis; 2) bor; 3) oltingugurt; 4) brom;
5) radon; 6) kislorod; 7) bariy; 8) fosfor;
A) 3,6,8 B) 1,2,5 C) 3,4,7 D) 2,3,7
12. Allotropik shakl o’zgarishni hosil qiladigan elementlar qatorini toping.
A) kislorod, xlor, ftor, bariy;
B) fosfor, qalay, selen, tellur;
C) qalay, ftor, yod, litiy;
D) oltingugurt, uglerod, astat.
13. Tarkibida allotropik shakl o’zgarishli elementlar bo’lgan moddalarni toping.
1) CS₂; 2) BeCl₂; 3) Sc₂S₃; 4) KI; 5) PH₃;
6) NH₃; 7) K₂Se; 8) SnBr₂;
A) 2,4,5,7 B) 1,3,4,6,8
C) 3,5,6,7,8 D) 1,3,5,7,8
14. Tarkibida allotropik shakl o’zgarishli elementlar bo’lmagan moddalarni toping.
1) CS₂; 2) BeCl₂; 3) Sc₂P₃; 4) LiI; 5) PH₃;
6) NF₃; 7) K₂O; 8) SnBr₂;
A) 2,4,6 B) 1,3,4,6,8 C) 3,5,6,7,8 D) 1,7,8
15. Qaysi elementlar allotropik shakllarga ega emas?
A) H, O, N B) O, C, P C) S, P, O D) F, Cl, Br
16. Quyidagi moddalar to’plamidan qaysilari allotropik shakllarga ega?
A) suv, bug’, muz; B) suv, tuman, shudring;
C) vodorod, xlor, kislorod;
D) uglerod, fullerin, karbin, grafit.
17. Qaysi elementlarda allotropiya hodisasi uchraydi?
1) azot 2) uglerod 3) bor 4) fosfor
5) kislorod 6) xlor 7) temir 8) qalay
9) kremniy 10) vodorod
A) 2,4,5,8 B) 2,5,7 C) 2,4,8,10 D) 1,4,5,9
18. Qaysi elementlarda allotropiya hodisasi uchramaydi?
1) azot 2) uglerod 3) bor 4) fosfor
5) kislorod 6) xlor 7) temir 8) qalay
9) kremniy 10) vodorod
A) 2,4,5,8 B) 2,5,7 C) 2,4,8,10 D) 1,3,6,9
19. Tarkibida allotropik shakl o’zgarishga ega bo’lgan elementlari yo’q bo’lgan birikmalarni aniqlang.
А) FeCI₂, HCI, K₂S B) KCI, NaCI, K₂CO₃
C) NaCI, KF, HCI D) Zn₃P₂, CuCI₂, NaCI
20. Allotropik shakl o’zgarishi namoyon qilmaydigan elementlar qatorini ko’rsating.
A) oltingugurt, ftor, rux, yod
B) mishyak, kislorod, bariy, bor
C) xlor, azot, brom, simob
D) oltingugurt, uglerod, vismut, litiy
21. Tarkibida allotropik shakl o’zgarishli elementlar bo’lmagan moddalarni tanlang.
1) HCI; 2) CO₂; 3) AsH₃; 4) NaF; 5) PH₃;
6) AICI₃; 7) K₂Se; 8) KBr
A) 3,5,6,7,8 B) 2,5,6,7,8 C) 4,6,8 D) 1,3,5,7,8
22. Allotropik shakl o’zgarishni namoyon etadigan elementlar qatorini ko’rsating.
A) oltingugurt, ftor, yod, rux
B) tellur, kislorod, bariy, bor
C) xlor, azot, brom, simob
D) fosfor, qalay, selen, oltingugurt