вода
Authored by Светлана Горбунова
Other
5th Grade
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the systematic name of water?
Carbon dioxide
Hydrogen peroxide
Dihydrogen monoxide
Nitrogen oxide
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the molecular formula of water?
CO2
H2O2
H2O
H2SO4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
At what temperature does water freeze?
100°C
-10°C
0°C
25°C
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the density of water at 4°C?
2 g/cm³
0.5 g/cm³
1 g/cm³
1.5 g/cm³
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the angle between the hydrogen atoms in a water molecule?
104.45°
180°
120°
90°
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Яка температура потрійної точки води?
0,01 °C
100 °C
50 °C
25 °C
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Як називають групи молекул води, сполучених водневими зв'язками?
Супермолекули
Гідратні оболонки
Кристалічні структури
Кластери, що мигають
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