Quiz - Chemistry Worksheets With Answers printable pdf download

Quiz - Chemistry Worksheets With Answers

Quiz 1

Name___________________

1. Since the oxygen in H2O has two free electron pairs and each H has a partial positive charge, it can

be concluded that each H2O molecule in water can form a maximum of

A) one hydrogen bond.

B) two hydrogen bonds.

C) three hydrogen bonds.

*D) four hydrogen bonds.

E) five hydrogen bonds.

2. Which of the following is NOT one of the properties of water resulting from its tendency to form

hydrogen bonds:

*A) the polar nature of the water molecule itself

B) cohesion

C) moderation of temperature

D) the fact that water dissolves sugar

3. Which of the properties of water listed below best explains the transport of water up a tree?

*A) the fact that water molecules stick together by cohesion

B) the fact that water dissolves salts

C) the fact that water molecules do not mix with oil

D) the fact that water moderates the temperature of the tree

4. Which of the following effects is caused by the high surface tension of water?

A) Trees are able to take up water from a pond.

B) Water can act as a solvent.

C) Organisms resist temperature changes.

D) Lakes typically don’t freeze solid in winter, despite low temperatures.

*E) A water strider is able to walk across the surface of a small pond.

5. When water dissolves table salt into Na+ and Cl-

A) the O atoms with their partial positive charge surround the Na+ particles.

*B) the O atoms with their partial negative charge surround the Na+ particles.

C) the H atoms with their partial positive charge surround the Na+ particles.

D) the H atoms with their partial negative charge surround the Na+ particles.

6. Nitrogen (N) is much more electronegative than hydrogen (H). Which of the following statements is

correct about the atoms in ammonia (NH3)?

*A) Each hydrogen atom has a partial positive charge.

B) The nitrogen atom has a strong positive charge.

C) Each hydrogen atom has a slight negative charge.

D) The nitrogen atom has a partial positive charge.

E) There are covalent bonds between the hydrogen atoms.

Quiz - Chemistry Worksheets With Answers