Chemistry Biweekly Quiz 1

It is the study of the composition, structure, and properties of matter, the processes that matter undergoes, and the energy changes that accompany these processes.

• Science

• Chemistry

• Physics

• Sceintifi Method

It is the branch of Science that identifies of the components and composition of materials.

• Biochemistry

• Physical Chemistry

• Analytical Chemistry

• Theoretical Chemistry

This process should be used to separate a

mixture of an insoluble solid and a liquid.

A funnel is lined with filter paper and placed over a beaker.The mixture is poured slowly into the filter paper.

• Sieving

• Decanting

• Filtering

• Magnetism

Which of the following is NOT a physical property.

• Toxicity

• Volume

• Color

• Length

Is density an extensive or an intensive property?

• Intensive

• Extensive

Is lemonade a (an):

• Homogenoeus mixture

• compound

• element

• Heterogeneous mixture

Select the two pure substances that exist.

• compound

• heterogeneous mixture

• element

• homogeneous mixture

Select all the chemical changes that apply.

• Tearing a sheet of paper

• Burning a log.

• Melting a piece of wax

• Rusting on a metal

What determines the identity of an element?

• Its number of protons

• Its atomic weight

• Its physical properties

Briefly describe Dimitriv Mendeleev`s contribution to the periodic table.