Химия

Химия

9th Grade

10 Qs

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Химия

Химия

Assessment

Quiz

Chemistry

9th Grade

Practice Problem

Hard

Created by

Меруерт Махан

Used 10+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

2 моль магний тұз қышқылымен реакцияға түскенде түзілетін сутектің көлемі:

44,8 л

22,4 л

67,2 л

89,8 л

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Реакция теңдеуіндегі су молекуласы алдындағы коэффицент: AI(OH)3+H2SO4=AI2(SO4)3+H2O

1

3

4

6

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Молекулалық массасы кішісі:

H2SO4

K2SO4

CaSO4

H2S

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Құрамы HNO3 болатын қышқылдың аты:

азотты

кремний

көмір

фосфор

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Негіздік тұз:

HCI

Mg(OH)2

NaCI

NaHCO3

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Күшті электролит:

H2SO4

Cu(OH)2

H2CO3

H2O

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Массасы 126 г азот қышқылының зат мөлшері:

1 моль

2 моль

0,2 моль

4 моль

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