Chemistry Chapter 13 Section 1

Chemistry Chapter 13 Section 1

Multiple Choice

Which substance melts at a much higher temperature and boils at a much higher temperature than any other covalent compounds?

• sand

• water

• hydrogen

• gold

Multiple Choice

Which of these is a unique characteristic of water that effects much of life on earth?

.

• As a liquid is less dense than its solid form.

• As a solid it is more dense than its liquid form

• As a solid it is less dense than its liquid form.

Multiple Choice

Which is not true?

• The intermolecular forces in water molecules are called hydrogen bonds.

• Water molecules are attracted to each other in its intermolecular forces.

• Water is a linear ionic compound.

• Water is polar and it's positive pole attracts the negative pole of other water molecule.

Multiple Choice

Which is true about the specific heat of water?

• it is high

• it is very low

• it is medium

• it is not

Multiple Choice

Which is true?

• Water is easy to classify as occurring on earth normally as a liquid.

• Water is a gas at normal earth conditions.

• Water is often witnessed on earth in all the three main states.

Multiple Choice

Which is more like the shape of a water molecule?

• pyramid

• tack

• pool ball

• hard back book

Multiple Choice

Which is not a kind of chemical bond often found in biological molecules?

• ionic

• metallic

• covalent

• hydrogen

Multiple Choice

Which of these does not form hydrogen bonds?

• water

• sodium nitrate

• organic compounds

• alcohols

Multiple Choice

At which temperature does water reach its maximum density?

• 0 degrees C

• 32 degrees C

• 112 degrees C

• 4 degrees C

Multiple Choice

What property allows objects to float on the surface of water if they do not have excessive mass (bugs on a lake, for example)?

• water separation

• surface tension

• surface separation

• crustiness

Multiple Choice

Which of the following has the specific heat levels in order from lowest to the greatest?

• air, water and iron

• water, iron and air

• iron, air, and water