A moddaning oddiy zarrachasi b moddaning bolinmas darajasi c moddaning mayda zarrachasi

1. Element bu
a) moddaning oddiy zarrachasi b)moddaning bolinmas darajasi c)moddaning mayda zarrachasi
d) yadro zaryadlari bir xil bolgan atomlar turkumi e) moddaning elementar zarrachasi
2.Quyidagi jarayonlarning qaysilari kimyoviy jarayon?
1) metanning yonishi 2) alyuminiy simning chozilishi 3) muzning erib suyuq holga otishi
4. temirning zanglashi 5. suvning buglanishi
a) 1, 2 b) 3, 4 c) 3, 5 d) 1, 4 e) 2, 4
3. Kimyoviy hodisalarga kirmaydigan jarayonni korsating
a) uzum sharbatining bijgishi b) benzinning yonishi c) yogning sovuqda qotishi
d) ohakning sondirilishi e) temir mixning zanglanishi
4. Faqat kimyoviy elementlar keltirilgan qatorni aniqlang
a) olmos, ozon, grafit, uglerod b) ozon, kislorod, olmos, vodorod c) azot, ozon, vodorod, kislorod
d) uglerod, olmos, azot, ozon e) uglerod, kislorod, vodorod, azot
5. Atom sozining manosi nima? a) bolinuvchi b) tartibsiz c) bolinmas d) kichik zarracha
6. CaCO3 ning molekulyar massasi nechaga teng? a) 90 b) 100 c) 110 d) 120
7. Elementlarning yer yuzida tarqalishini qaysi bolim organadi?
a)kimyo b)kosmokimyo c)organik kimyo d) geokimyo
8.Elementlarning koinotda tarqalganligini qaysi bolim organadi?
a) kimyo b) kosmokimyo c) organik kimyo d) geokimyo
9. Atom yadrosida qanday zarrachalar boladi?
a)proton, elektron b) neytron, positron c)proton, neytron. d)proton, elektron, neytron
10. Moddalar necha xil agregat holatda bo'ladi ?
a) 1 b) 2 c) 3 d) 4 e) 5