KT.Oksiidid (hapnikuühendid)
Passage
•
Science
•
8th Grade
•
Practice Problem
•
Easy
Taisi Hiie-O'Connor
Used 3+ times
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9 questions
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1.
OPEN ENDED QUESTION
5 mins • 20 pts
Kuidas saadakse laboris hapnikku? Kuidas seda kogutakse? (4p)
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2.
OPEN ENDED QUESTION
15 mins • 20 pts
Kirjuta oksiidide nimetused. (8p)
a) CaO
b) Al2O3
c) Cl2O7
d) Na2O
e) CuO
f) SO2
g) FeO
h) CO
Kirjuta oksiidide nimetused. (8p)
a) CaO
b) Al2O3
c) Cl2O7
d) Na2O
e) CuO
f) SO2
g) FeO
h) CO
Evaluate responses using AI:
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3.
OPEN ENDED QUESTION
15 mins • 20 pts
Koosta oksiidide valemid. (8p)
a) dilämmastikoksiid ............................. b) kaaliumoksiid ...........................
c) kroom(III)oksiid ............................... d) ränidioksiid ..............................
e) vask(I)oksiid ................................. f) magneesiumoksiid ....................
g) berülliumoksiid ............................ h) raud(II)oksiid ............................
Evaluate responses using AI:
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4.
MULTIPLE CHOICE QUESTION
15 mins • 20 pts
Missugused ained tekivad peamiselt kütuste põlemisel?
CO2
HCl
SO3
P4O10
5.
FILL IN THE BLANK QUESTION
3 mins • 20 pts
Kuidas on võimalik puhast hapnikku kindlaks teha? (2p)
6.
OPEN ENDED QUESTION
15 mins • 20 pts
Koosta valem, kui aine koosneb järgmistest oksüdatsiooniastmetes elementide aatomistest. (4p)
a) alumiinium ja kloor (-I) .............................. b) raud (II) ja hapnik .........................
c) lämmastik (-IV) ja vesinik ......................... d) süsinik (IV) ja hapnik ....................
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7.
OPEN ENDED QUESTION
15 mins • 20 pts
Kirjuta ja tasakaalusta reaktsioonivõrrandid (16p)
a) kaalium + hapnik --> kaaliumoksiid
b) kroom + hapnik --> kroom(III)oksiid
c) vesinik + hapnik --> divesinikmonooksiid
d) lämmastik + hapnik --> lämmastikdioksiid
Evaluate responses using AI:
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8.
DRAW QUESTION
3 mins • 1 pt
Tee joonis hapniku kogumise kohta (2 erinevat viisi). 4p

9.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kui palju on õhus hapnikku? (2p)
78%
21%
0,8%
0.03%
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