Unit 8 BR #5: Balance and Predict: Synthesis, Decomp, Combustion

Unit 8 BR #5: Balance and Predict: Synthesis, Decomp, Combustion

11th Grade

13 Qs

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Unit 8 BR #5: Balance and Predict: Synthesis, Decomp, Combustion

Unit 8 BR #5: Balance and Predict: Synthesis, Decomp, Combustion

Assessment

Quiz

Chemistry

11th Grade

Easy

NGSS
HS-PS1-7

Standards-aligned

Created by

Alison Klein

Used 6+ times

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13 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the left part of a chemical equation called?

2H2 + O2 ---> 2H2O

Reactants

Yields

Products

Chemical equation

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the right part of a chemical equation called?

2H2 + O2 ---> 2H2O

Reactants

Yields

Products

Chemical Equation

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the little number after an element in a chemical equation called?

Example: H2

Coefficient

Atom

Subscript

Equation

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the number before a chemical formula called?

Example: 2H2 + O2 ---> 2H2O

Coefficient

Atom

Subscript

Equation

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following equations are correctly balanced?

12CO2 + H2O ---> C6H12O6 + O2

CO2 + H2O ---> 3C6H12O6 + O2

CO2 + 9H2O ---> C6H12O6 + O2

6CO2 + 6H2O ---> C6H12O6 + 6O2

Tags

NGSS.HS-PS1-7

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What is the Law of Conservation of Mass?

It states that matter cannot be created or destroyed.

It states that energy cannot be created or destroyed.

It states that matter can be created or destroyed.

It states that sound can be created or destroyed.

Tags

NGSS.HS-PS1-7

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the right ratio of chemicals for the balanced chemical equation?

__CO + __Fe2O3--> __Fe + __CO2

3,1 --> 2,3
3,2 --> 1,1
3,2 --> 2,4
3,2 --> 2,1

Tags

NGSS.HS-PS1-7

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