Oksiidid ja happed

Oksiidid ja happed

9th Grade

8 Qs

quiz-placeholder

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Oksiidid ja happed

Oksiidid ja happed

Assessment

Quiz

Science

9th Grade

Hard

Created by

Kaia-Riin Rohtmaa

Used 3+ times

FREE Resource

8 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Vask(II)oksiidi valem on...

Cu2O

Cu2O3

CuO

CuO2

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

H2SO4 nimetus on...

Divesiniksulfiidhape

Väävelhape

Fosforhape

Väävlishape

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Oksiide saadakse, kui omavahel reageerivad...

lihtaine ja vesi

lihtaine ja hapnik

liitaine ja hapnik

lihtaine ja vesinik

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Vesinikkloriidhappe valem on...

H2S

HBr

HCl

HNO3

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Happelise oksiidi ja vee reageerimisel tekib...

uus oksiid

sool

alus

hape

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

K + H2SO3 --> ...

KSO4 + H2

K2SO4 + H2O

K2SO4 + H2

K2O + H2O

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

CaO + HNO3 --> ...

Ca(NO3)2

CaNO3 + H2O

Ca(NO3)2 + H2

Ca(NO3)2 + H2O

8.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Tugevad happed jagunevad vesilahuses täielikult ioonideks.

Tõene

Väär