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Chemical Reactions Practice Flashcard

Chemical Reactions Practice Flashcard

Assessment

Flashcard

Chemistry

9th - 12th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the substance formed in a chemical reaction called?

Back

Product.

2.

FLASHCARD QUESTION

Front

Which of the following is NOT a sign of a chemical reaction?

Back

The material dissolves.

3.

FLASHCARD QUESTION

Front

When is a chemical equation considered balanced?

Back

When the same number of each kind of atom appears in the reactants and in the products.

4.

FLASHCARD QUESTION

Front

How is a chemical equation balanced?

Back

By changing or adding coefficients.

5.

FLASHCARD QUESTION

Front

According to the LAW of Conservation of Mass, if two atoms of hydrogen are used as a reactant, how many atoms of hydrogen must be in the product?

Back

Two.

6.

FLASHCARD QUESTION

Front

What are reactants in a chemical reaction?

Back

Substances that undergo change during a chemical reaction.

7.

FLASHCARD QUESTION

Front

What is a chemical equation?

Back

A representation of a chemical reaction using symbols and formulas.

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