ūdens blīvums
Chemistry
8th Grade - University
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ja zina ķermeņa masu un tilpumu, tad var aprēķināt blīvumu, lietojot formulu: blīvums = masa/tilpums
Kura varētu būt blīvuma mērvienība?
kg / m3
g / V
ml / g
W / dm3
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kurš blīvums lielāks?
dzelzs
koka
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Vielai sasilstot blīvums
palielinās
samazinās
nemainās
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
10 litru (0,01 m3) spainis ir pilns ar medu. Medus masa ir 14 kg. Kāds ir medus blīvums?
1400 kg / m3
1,4 kg / m3
0,14 kg / m3
0,71 kg / m3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kāds process apzīmēts ar ???
sasalšana
kondensācija
sublimācija
resublimācija
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
4oC
8oC
0oC
1oC
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
8oC
0oC
1oC
4oC
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