CH8L1 Quiz: Chemical Reactions

A solid that forms during a chemical reaction when solutions are mixed.

• alkali metals

• precipitate

• halogens

• reactant

• product

The family of nonmetal elements with high reactivity, like fluorine.

• alkali metals

• halogens

• carbons

• metalloids

The ability of metals to react easily with one another.

• products

• reactants

• photosynthesis

• reactivity

Another name for a chemical change.

• chemical reaction

• chemical products

• reactants

• products

The most reactive family of metals.

• halogens

• nonmetals

• alkali metals

• reactivity

A common chemical reaction in plants.

Which of these is NOT a sign that a chemical change has occurred? 

• A loss of transparency 
• An unexpected color change
• A temperature change
• The formation of a precipitate

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

Identify the following process: The food and the air react.

• Physical change

• Chemical change

The substances you start with before a chemical reaction occurs are called...

• Reactants

• Products

The new substances that are formed after a chemical reaction occurs are called...

• Reactants

• Products