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хим 43-45 9(2)

Authored by Сабина Арманқызы

Chemistry

1st Grade

Used 2+ times

хим 43-45 9(2)
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15 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Si тотығу дәрежесі

-2;-4;+4

-4;+4

-2;+4

-4;+2

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Каолин

Al2O3•2SiO2•2H2O

K2O•Al2O3•4SiO2

K2O • Al2O3 • 6SiO2 •H2O

K2O•Al2O3•6SiO2

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Ортоклаз

Al2O3•2SiO2•2H2O

K2O•Al2O3•4SiO2

K2O • Al2O3 • 6SiO2 •H2O

K2O•Al2O3•6SiO2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Слюда

Al2O3•2SiO2•2H2O

K2O•Al2O3•4SiO2

K2O • Al2O3 • 6SiO2 •H2O

K2O•Al2O3•6SiO2

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Өндірісте кремний алу әдісі

SiO2+2C->Si+2CO

SiO2+2Mg->2MgO+Si

SiCl4+2Zn->Si+2ZnCl2

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

1.металлдық жылтыры бар,күмістей сұр түсті зат

2.сұр түсті ұнтақ

А-аморфты В-кристалдық

А-1 В-2

А-2 В-1

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Қырнауыш,радиотехника,пломба мен пластмасса протездерді егеуде қолданылады

Si

SiC

Si3N4

SiO2

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