Kimyo 9-Mavzu darsga

Kimyo 9-Mavzu darsga

11th Grade

85 Qs

quiz-placeholder

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Kimyo 9-Mavzu darsga

Kimyo 9-Mavzu darsga

Assessment

Quiz

Chemistry

11th Grade

Hard

Created by

Bobomurod Abdixashimov

Used 4+ times

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85 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Massa ulushi 20% metan, 30% vodorod va 50% kislorod bo'lgan gazlararalashmasining o'rtacha molekulyar massasini hisoblang.

17.6

204.8

16.8

5.61

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Massa ulushi 40% metan, 40% vodorod va 20% kislorod bo'lgan gazlar aralashmasining o'rtacha molekul­yar massasini hisoblang

43

50

28

4.32

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Massa ulushi 33% karbonat angidrid, 7% azot va 60% argon bo'lgan gazlar aralashmasining o'rtacha molyar massasini aniqlang?

20

30

40

50

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Massa ulushi 10% neon, 48% kislorod va 42% azotbo'lgan gazlar aralashmasining o'rtacha molyar

mas­sasini aniqlang?

30

33.3

28.6

35

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Vodorod ya kisloroddan iborat. gazlar aralashmasi tarkibida kislorodning hajmiy ulushi vodorodning haj­miy ulushidan 4 marta kichik bo'lsa, ushbu gazlar aralashmasining o'rtacha molyar massasini aniqlang.

16

32

8

12

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Azot va uglerod (IV) oksididan iborat gazlar aralash­masi tarkibida azotning hajmiy ulushi uglerod (IV) oksidining hajmiy ulushidan 3 m arta kichik bo'lsa, ushbu gazlar aralashmasining o'rtacha molyar mas­sasini aniqlang.

16

40

8

32

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Metan va etandan iborat gazlar aralashmasi tarkibi­da etanning hajmiy ulushi metanning hajmiy ulushi­dan 5 marta kichik bo'lsa, ushbu gazlar aralashma­sining o'rtacha molyar massasini aniqlang.

18.33

32

8

12

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