NODIRA KIMYO

NODIRA KIMYO

Assessment

Quiz

Chemistry

7th Grade

Practice Problem

Medium

Created by

Nodira Endirbaeva

Used 10+ times

FREE Resource

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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Suvning formulasi qaysi javobda to'g'ri berilgan?

H2O2

HCl

H2O

NaCl

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Kondensatsiya–bu ?

qattiq holatdan (muz)

suyuq holatga o‘tish jarayoni

sublimatsiyaga teskari jarayon (bug‘dan muzga

o‘tish)

bug‘ning suyuq

holatga o‘tish jarayoni.

suvning suyuq holatdan bug‘ holatiga o‘tish jarayoni.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Suvning necha xil agregat turi bor?

2 xil

4 xil

3 xil

5 xil

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Suvning molyar massasi nechaga teng?

18 gr\mol

16 gr\ mol

24 gr\ mol

17 gr\ mol

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Bir tomchi suv tarkibida nechta trillion dona molekula bo‘ladi?

33 septillion

8 septillion

33 million

33 trillion

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Neytrallanish reaksiyasi–bu?

vodorod

atomlari hamda kislota

qoldig‘idan iborat bo‘lgan

murakkab moddalar.

kislota va asos ta’sirlashuvidan suv va tuz hosil bo‘la digan

kimyoviy jarayon

bug‘ning suyuq

holatga o‘tish jarayoni

qattiq holatdan (muz)

suyuq holatga o‘tish jarayoni.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Inson tanasining necha % dan ortig‘i suvdan iborat.

70%

50%

80%

96%

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