13 terms

Concept 1.4: Chemical Changes

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burn:
to change chemically and release heat
pure substance:
a material with a particular chemical makeup
detect:
to notice or find, often with the help of a science tool
litmus test:
a tool used to find out whether a substance is an acid or a base: Acids turn blue litmus paper red. Bases turn red litmus paper blue.
chemical change:
a chemical reaction; a process that changes substances into new substances
chemical:
an element or compound
compound:
a chemical combination of two or more elements
neutral:
describes something that is not charged or is neither an acid nor a base
oxidation:
a chemical reaction in which oxygen combines with another substance; for example, when metal rusts
corrosive:
describes a substance that will break down another object upon contact
chemical reaction:
a chemical change; a process that changes substances into new substances
fuel:
any material that can be used for energy
combine:
to bring together; to mix