Oksiidid, vesinik ja vesi

Oksiidid, vesinik ja vesi

8th Grade

11 Qs

quiz-placeholder

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Oksiidid, vesinik ja vesi

Oksiidid, vesinik ja vesi

Assessment

Quiz

Chemistry

8th Grade

Hard

Created by

Tom Maksimov

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11 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Aine põlemiseks on vaja... (1p)

valgust

hapnikku

süsihappegaasi

lämmastikku

2.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

Märgi ära oksiidid (2p)

CuO

HCl

Fe2O3

H2

3.

FILL IN THE BLANK QUESTION

1 min • 5 pts

Märgi elementide oksüdatsiooniastmed järgmistes ühendites (5p):

C2H4 , HCl , FeO , SO3 , H3PO4

4.

FILL IN THE BLANK QUESTION

1 min • 3 pts

Koosta aine valem, kirjuta indeks, teades oksüdatsiooniastmeid (3p)

CIVO , NiIIO , ClVIIO

5.

OPEN ENDED QUESTION

3 mins • 5 pts

Kirjuta elementide nimetused. (5p)

ZnO; N2O; Ni2O3; Fe2O3; SO2

Evaluate responses using AI:

OFF

6.

FILL IN THE BLANK QUESTION

1 min • 3 pts

Kirjuta ainete valemid (3p):

liitiumoksiid, vask(I)oksiid, dilämmastikpentaoksiid

7.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Tasakaalusta reaktsioon (1p):

K + Cl2 => KCl

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