wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

Kimyo 7-sinf

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

  1. 1. Karbonat angidridning formulasini toping

a)

CO3

b)

CO2

c)

SO2

d)

SO3

2.

  1. 2. Molekulalar qaysi qatorda ko'rsatilgan?

a)

Na, Ca Br2

b)

He, O2, Kr

c)

CO2, O2, Br2

d)

C, Fe, Al

3.

  1. 3. 3H3PO4 ushbu modda tarkibida jami nechta atom bor?

a)

7

b)

10

c)

19

d)

24

4.

  1. 4. Havo tarkibining necha foizi kisloroddan iborat?

a)

21 %

b)

22 %

c)

23 %

d)

24 %

5.

  1. 5. Ushbu rasmda nima tasvirlangan?

a)

yadro

b)

molekula

c)

atom

d)

orbita

6.

  1. 6. Atomning markazida nima joylashgan?

a)

elektron

b)

yadro

c)

proton

d)

neytron

7.

  1. 7. Ushbbu rasmda qanday hodisa tasvirlangan?

a)

fizik hodisa

b)

biologik hodisa

c)

ekologik hodisa

d)

kimyoviy hodisa

8.

  1. 8. Suvning muzlashi qanday hodisaga misol bo'ladi?

a)

fizik hodisa

b)

kimyoviy hodisa

c)

biologik hodisa

d)

ekologik hodisa

9.

  1. 9. Yonish hodisasi uchun qanday asosiy modda kerak?

a)

kislorod

b)

vodorod

c)

azot

d)

uglerod

10.

  1. 10. Kislorod metallar bilan qanday moddalarni hosil qiladi?

a)

tuzlar

b)

kislotalar

c)

asoslar

d)

oksidlar

Similar Resources on Wayground

Kimyo test

5 questions

Kimyo test

quiz

Worksheet

•

7th Grade