Review-CW

is the study of processes that take place in organisms.

• Analytical chemistry

• Organic chemistry

• Inorganic chemistry

• Biochemistry

• transition of matter from one state to another. ​

• ​

• Sublimation

• Phase change

• chemical change

• Matter

Using a battery is an example of physical change.

• True

• False

How many grams of OXYGEN would be needed to show conservation of mass in the example below?

• 6 grams

• 7 grams

• 100 grams

• 93 grams

N2+3H2>>>>2NH3.

Identify the reactants.

• N2 , 2NH3

• 3H2, NH3

• N2, 3H2

• 2NH3

Color is an ..........................property.

• Extensive

• Intensive

Volume is an.......................property

• Extensive

• Intensive

Physical property of a matter can be both intensive and extensive.

• True

• False

Chemical changes can have intensive property.

• True

• False

Copper turning green in the air is an example of chemical change.

• True

• False