1.4 Chemical Changes Practice Test

___________________________ the use of a chemical to find out something about a substance - such as a pH test.

• Chemical Test
• Corrosive
• Litmus Test
• Matter

______________________ 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.

• Litmus Test
• Chemical Test
• Substance
• Water

________________________ a chemical combination of two or more elements.

• Neutral
• Oxidation
• Energy
• Compound

_______________________ is any substance with a pH less than 7; acids turn blue litmus paper red.

• Acid
• Element
• Matter
• Neutral

___________________________ describes something that is not charged or is neither an acid nor a base: In chemistry, neutral substances are neither acids nor bases. In physics, neutral objects have no electrical charge.

• Neutral
• Element
• Water
• Pure Substance

Matter is never created or destroyed during a chemical change.

• True
• False

__________________________ to add a solid material to a liquid in such a way that its particles completely disperse into the liquid, usually becoming invisible within the liquid.

• Evaporate
• Oxidation
• Molicule
• Dissolve

___________________________ describes a substance that will break down another object upon contact.

• element
• Corrosive
• Physical Change
• Dissolve

______________________ the ability to do work or cause change; can be changed into different forms and can move between objects.

• Chemical Energy
• Neutral
• Physical Energy
• Pure Substance

____________________ two or more atoms joined together.

• Atom
• Physical Change
• Substance
• Molecule