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тест

1st Grade

10 Qs

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Assessment

Quiz

Chemistry

1st Grade

Practice Problem

Medium

Created by

Аsel Жаксылыкова

Used 34+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Чили селитрасы

СаСО3

Н2РО4

СаNO₃

NaNO₃

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Галогендерге қандай элементтер жатады?

магний, кальций, фтор,

бром, йод, астат, калий, йод

фтор, хлор, бром, йод, астат

натрий, хлор, оттек, азот

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Құмның формуласы

H2SiO3

SiCl4

SiO4

SiO2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Кремнийдің таңбасы мен атомдық маассасы

Si 25

Si 28

Si 29

Si 30

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Құрамы НNO3 болатын қышқылдың аты:

азот

кремний;

көмір

натрий

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Тұз қышқылының формуласы:

HNO3

H2SO4

HCl

H2S

H2CO3

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Дұрыс реакция

SiH4+2O2=SiO2+2H2O

SiH4+2O2=Si+O2+2H2O

SiH4+2O2=SiO2+2H2

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