6 Sinflar uchun test savollari

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