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вода

Authored by Светлана Горбунова

Other

5th Grade

вода
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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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