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Know Your H2O

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Questions and Answers

Which chemical formula represents water?

HO2

H2O (correct)

O2H

H2O2

What is the IUPAC name for water?

Hydrogen hydroxide

Oxidane (correct)

Dihydrogen oxide

Hydric acid

What is the bond angle between the hydrogen atoms in a water molecule?

120°

180°

104.5° (correct)

90°

Which property of water is responsible for its ability to make light objects float on its surface?

Cohesion (C) Signup and view all the answers

What is the measure of fluid friction relative to its internal resistance to flow?

Viscosity (D) Signup and view all the answers

What property of water is responsible for its high heat capacity?

Heat capacity (B) Signup and view all the answers

Which property of water allows it to move from the roots to the leaves of plants?

Cohesive nature (C) Signup and view all the answers

What is the general formula for hydrolysis reactions?

H2O -> H+ + OH- + H2O (C) Signup and view all the answers

What is the significance of the unique properties of water?

They regulate the temperature of the human body (A) Signup and view all the answers

What is the boiling point of water?

100°C (A) Signup and view all the answers