Unit 3: Chemical Reactions Pre-Assessment 6

Unit 3: Chemical Reactions Pre-Assessment 6

Assessment

Flashcard

Science

6th - 8th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What does the principle of conservation of mass mean in chemical reactions?

Back

Matter is not created or destroyed.

2.

FLASHCARD QUESTION

Front

What is the coefficient in the chemical formula 3H₂O?

Back

3

3.

FLASHCARD QUESTION

Front

If there are 4 H atoms on the reactant side, how many H atoms will be on the product side?

Back

4

4.

FLASHCARD QUESTION

Front

What are the products of the chemical reaction that produces CO₂ and H₂O?

Back

CO₂ and H₂O

5.

FLASHCARD QUESTION

Front

Which compounds are the products of the reaction involving C₆H₁₂O₆ + O₂?

Back

CO₂ + H₂O

6.

FLASHCARD QUESTION

Front

What is a chemical reaction?

Back

A process where substances (reactants) are transformed into different substances (products).

7.

FLASHCARD QUESTION

Front

What are reactants in a chemical reaction?

Back

Substances that undergo change during a chemical reaction.

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