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7-sinf kimyo I bob

Authored by Olimjon Noraliyev

Chemistry

7th Grade

Used 2+ times

7-sinf kimyo I bob
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

“... Men buni imkonsiz deb hisoblayman, chunki bir metallni boshqasiga aylantirishning yo‘llari

yo‘q”, – deya xitob etgan – ushbu fikr muallifini toping

G. Kavendish

R. Boyl

Abu Ali ibn Sino

Lavuazye

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Tirik organism hujayralarining ishlash mexanizmlarini o‘rganish va ko‘plab kashfiyotlar

kimyo rivojlanishining qaysi bosqichida sodir bo`lgan.

Ilmiy kimyoning tug‘ilish davr

Klassik kimyo davri

Alkimyo davri

Zamonaviy davr

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

“Alkagest” nima ?

Universal erituvchi

Universal eritma

falsafa toshi

eliksir

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

“Qarastun haqidagi kitob” asari muallifi kim?

Abdurahmon Xaziniy

Sobit ibn Qurrah

al-Haraviy

al-Kindiy

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Molekulalar soni (a) va atomlar soni (b) nechta?

a-20 000 000; b-228

a-2 000 000; b-118

a-228; b-20 000 000

a-118; b- 2 000 000

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Osh tuzini shakardan (a), spirtni suvdan (b) qanday farqlash mumkin?

Rangidan

Agregat holatidan

Qaynash haroratidan

Ta`midan

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Quyidagilarni mos ravishda juftlang. I – Kimyoviy xossa;   II – Fizik xossa;

a) rang; b) elektr o‘tkazuvchanlik; c) yangi modda hosil qilish qobiliyati; d) zichlik; e) hid

I – a,b,d,e;  II – c

I – a,b; II – c, d,e

I – a; II – c, d,e,b

II – a,b,d,e; I – c

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