Chemical reactions review

Chemical reactions review

7th - 10th Grade

17 Qs

quiz-placeholder

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Chemical reactions review

Chemical reactions review

Assessment

Quiz

7th - 10th Grade

Medium

Created by

John Leaf

Used 138+ times

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17 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

In the diagram, letter D represents a

subscript

coefficient

product

equation

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

In the diagram, letter E represents a

subscript

coefficient

product

equation

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image
Which are the reactants in the equation shown?
H2O and CO2
O2 and CH4

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Which is the product in the reaction shown?

Al2O3

Al

O2

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image
What describes the reactant atoms in the equation shown?
Al= 4, O= 3
Al= 1, O= 1
Al= 4, O= 6
Al= 6, O= 1

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does the mass of products compare to the mass of reactants in a chemical reaction?

reactants = products

reactants > products

reactants < products

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

In the reaction shown below, 12 grams of AB break down into 8 grams of product A and an unknown amount of product B.


Using the law of conservation of mass, what will the mass of product B be?

4 grams

8 grams

12 grams

20 grams

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