6 Sinflar uchun test savollari


Atom nimadan tashkil topgan?


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Kimyo.7 - sinflar uchun

9. Atom nimadan tashkil topgan?
A) molekulalardan B) elektron, protondan
C) elektron, neytrondan D) elektron, neytron, protondan
10. Quyida faqat murakkab modda berilgan qatorni ko`rsating?
A) O2, Cl2 H
B) HCl, H2 SO4 ,CaO
C) H2O, H2, O2,
D) Ca O, MgO
11. Kimyo fani nimani o`rgatadi?
A) kimyoviy qonuniyatlarni
B) fizikaviy qonuniyatlarni
C) moddalarni tuzilishini
D) hamma javoblar to`g`ri
12. Moddaning xossalarini ko`rsating?
A) rangi va hidi
B) ta’mi va qattiqligi
C) suyuq va gaz holati
D) hamma javoblar to`g`ri
13. Molekula nimadan tashkil topadi?
A) mikrozarrachalardan
B) atomlardan
C) moddalardan
F) elektron, neytrondan
14. Suvni formulasi va molekulyar massasini ko`rsating?
A) H2O2; Mr = 34 gr
B) HO2; Mr = 33 gr
C) H2O; Mr = 18 gr
D) HO; Mr = 17 gr
15. Quyida faqat oddiy moddalar formulasini ko`rsating?
A) H2O, Na Cl, H2;
B) H Cl, H2 SO4 HJ;
C) H2, O2, Cl2;
D) Zn, Mg, CaO;
16. Moddaning agregat holatlarini ko`rsating?
A) gaz holati
B) suyuq holati
C) qattiq holati
D) hamma javob to`g`ri
17. Quyidagi reaksiyada chap va o`ng tomondagi koeffisiyentlar sonini aniqlang. Ca + HCl = CaCl2 + H2;
A) 3 = 2 B) 2 = 2 C) 4 = 2 D) 2 = 3
18. Alyuminiy oksidini formulasini ko`rsating?
A) AlO B) Al2O3 C) Al2O2 D) AlO2
19. Avagadro sonini ko`rsating?
A) 6,02 * 1023 B) 6,02 * 1022
C) 3,01 * 1023 D) 3,01 * 10 22

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