Chemical Reactions

Chemical Reactions

Assessment

Flashcard

Science

7th Grade

Hard

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12 questions

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1.

FLASHCARD QUESTION

Front

A process in which atoms rearrange to form new substances.

Back

chemical reaction

2.

FLASHCARD QUESTION

Front

A substance produced during a chemical reaction

Back

Product

3.

FLASHCARD QUESTION

Front

A solid formed from a solution during a chemical reaction is called a

Back

precipitate

4.

FLASHCARD QUESTION

Front

Magnesium and oxygen combine to form magnesium oxide, the magnesium and oxygen are:

Back

reactants

5.

FLASHCARD QUESTION

Front

How do you know a reaction has happened?

Back

The atoms were rearranged to form new molecules.

6.

FLASHCARD QUESTION

Front

Everytime two substances are mixed together a chemical reaction occurs.

Back

False

7.

FLASHCARD QUESTION

Front

A chemical reaction must have at least two reactants.

Back

False

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