DTM Test Kimyo

Question 1

Qaysi modda amfoter xossaga ega?

Accepted Answer

Al(OH)3

Answer

NaOH

Answer

HCl

Answer

Ca(OH)2

Question 2

Azot atomi tashqi elektron qavatida nechta elektron?

Accepted Answer

5

Answer

3

Answer

7

Answer

2

Question 3

Qaysi tuz gidrolizlanmaydi?

Accepted Answer

K2SO4

Answer

Na2CO3

Answer

NH4Cl

Answer

FeCl3

Question 4

Mn oksidlanish darajasi +7 dan +2 ga o'zgarganda, nechta elektron qabul qiladi?

Accepted Answer

5

Answer

7

Answer

2

Answer

3

Question 5

Qaysi birikmada temir +3 oksidlanish darajasida?

Accepted Answer

Fe2O3

Answer

FeO

Answer

FeSO4

Answer

FeS

Question 6

20°C da qaysi modda eng ko'p eriydi?

Accepted Answer

NaNO3

Answer

BaSO4

Answer

AgCl

Answer

PbSO4

Question 7

NaOH eritmasi qanday muhit hosil qiladi?

Accepted Answer

Ishqoriy

Answer

Kislotali

Answer

Neytral

Answer

Buferli

Question 8

Yadro zaryadi 20 bo'lgan element?

Accepted Answer

Ca

Answer

Ti

Answer

K

Answer

Sc

Question 9

SO3 suvda nima hosil qiladi?

Accepted Answer

H2SO4

Answer

H2SO3

Answer

SO2

Answer

H2S

Question 10

Qaysi metall xona haroratida suyuq holatda?

Accepted Answer

Hg

Answer

Na

Answer

Al

Answer

Fe