Ainsley - Inorg lec (Fundamentals 1&2)

Chemistry is the science that describes matter. Which of the following does it include?

• Chemical properties

• Chemical changes

• Energy changes

• Life's basic unit

Which of the following branches of chemistry corresponds correctly to its area of study?

• Physical Chemistry: Processes in living organisms

• Biochemistry: Behavior of matter

• Organic Chemistry: Hydrocarbons and its derivatives

• Inorganic Chemistry: Inorganic compounds, metals, & minerals

I. Matter is anything that has space and occupies mass.

II. Volume is the measure of the quantity of matter.

• Only I is correct

• Only II is correct

• Both are correct

• Both are incorrect

The capacity to do work or to transfer heat.

• Energy changes

• Energy

• Kinetic energy

• Energy in motion

I. Kinetic energy: riding a bicycle

II. Potential energy: standing still

• Only I is correct

• Only II is correct

• Both are correct

• Both are incorrect

True about Gas, except:

• Expands indefinitely

• Highly compressible

• Rigid

• Fills any container completely

Its molecules are packed close together orderly.

• Solid

• Liquid

• Gas

• Plasma

What phase changes are involved when a solid turns into a liquid and then solidifies again?

• Melting, Freezing

• Freezing, Melting

• Deposition, Sublimation

• Condensation, Evaporation

What phase changes are involved when a gas turn into liquid, vice versa.

• Evaporation, Condensation

• Freezing, Melting

• Deposition, Sublimation

• Condensation, Evaporation

Physical properties of a substance include, except:

• Color

• Hardness

• Boiling point and Melting point

• Iron and oxygen forming a rust