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Kimyo test

Total questions: 5

Worksheet time: 3mins

Name
Class
Date
1.

Bir tomchi suv tarkibida necha dona molekula bo'ladi?

a)

33 trillion

b)

33 million

c)

33 milliard

d)

44 million

2.

Suvning molekulyar massasi nechaga teng

a)

15

b)

16

c)

17

d)

18

3.

Suvning qanday agregat holatlari mavjud?

a)

Suyuq, qattiq

b)

suyuq, qattiq, gaz

c)

suyuq, gaz

d)

to'g'ri javob yo'q

4.

Bu olim kim?

a)

N.N. Beketov

b)

D.I.Mendeleev

c)

G. Kavendish

d)

A. Lavuazye

5.

Quyidagilarning qaysi biri metallar?

a)

Li, Al, Na

b)

Al, K, Ca

c)

O2, H2, Au

d)

He, Ar, Xe