Ch. 3 Exam - ICP

What is crystallization?

• A separation technique used to produce rock candy from a sugar solution

• The study of crystals and their development

• A method of turning a solid to a gas

What type of mixture is orange juice with pulp?

• A hybrid mixture

• A homogeneous mixture

• A heterogeneous mixture

How does the periodic table organize the elements?

• Into a grid of vertical columns known as periods and horizontal rows known as groups

• Into a grid of vertical columns known as groups and horizontal rows known as periods

• Into circular groups based on number of protons

What would seawater be classified as?

• A mixture that is a pure substance

• A mixture that is NOT a pure substance

• A mixture that can only be made in a lab setting

What type of property is the magnetization of an iron rod an example of?

• Both a chemical and a physical property

• A chemical property

• A physical property

What type of change if the change in the color of tree leaves in fall an example of?

• A chemical change

• A physical change

• Both a chemical and physical change

Matter that has a uniform and unchanging composition is known as what?

• Chemicals

• Mass

• Substance

The law of conservation of mass states what?

• During a chemical reaction, the total mass is the same before and after the reaction.

• During a physical reaction, the total mass is the same before and after the reaction.

• During a chemical reaction, the total volume is the same before and after the reaction.

Which is NOT an example of a metal alloy?

• Brass

• Stainless steel

• Silver

• Bronze

How do you know if a substance is an element?

• An element must be on the Periodic Table of Elements

• An element must weigh more than .01g

• An element must take the shape of its container