L1

Question 1

Are organic compounds easily combustible?

Answer 1

Yes

Question 2

A combustion reaction will always occur when a substance reacts with ______ to release energy.

Answer 2

Oxygen

Question 3

A incomplete combustion produces what flame color?

Answer 3

Yellow/Orange

Question 3

A complete combustion produces what flame color?

Answer 3

Blue

Question 4

A complete combustion has a ______ bond.

Answer 4

Single Bond

Question 4

Low molecular weight produces blue flame (up to _ carbon atoms).

Answer 4

5

Question 5

___ molecular weight produces blue flame (up to 5 carbon atoms).

Answer 5

Low

Question 6

High molecular weight produces yellow flame (_ or more than _ carbon atoms).

Answer 6

6

Question 6

____ molecular weight produces yellow flame (6 or more than 6 carbon atoms).

Answer 6

High

Question 7

Usually, the presence of _______ and their derivatives produces yellow flame.

Answer 7

Benzene

Question 8

Most inorganic compounds contain _____ bonds - atoms tightly held together.

Answer 8

Ionic Bonds

Question 9

When there is a double or triple bond, it means that it produces ______ flame.

Answer 9

Yellow

Question 10

Only _______ compounds can be charred (via direct heating).

Answer 10

Organic

Question 11

The solubility of most solid or liquid solutes increases with __________ temperature.

Answer 11

Increasing

Question 12

Polar solvents dissolve _____ molecules.

Answer 12

Polar

Question 13

An ________ in pressure increases solubility.

Answer 13

Increase

Question 14

When the total surface area of the solute _________, the solute dissolves more rapidly.

Answer 14

Increases

Question 15

The larger the size of molecules in a solute, the ______ it is to be dissolved.

Answer 15

Harder

Question 16

Are organic compounds electrolytes or nonelectrolytes?

Answer 16

Nonelectrolytes