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balancing Eqn

Authored by Sahar Sayedahmed

Chemistry

11th Grade

NGSS covered

Used 9+ times

balancing Eqn
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16 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A + B → AB : is the general form for which reaction type?

Double Replacement
Synthesis
Combustion
Decomposition

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Identify this type of reaction,
Cl2 + 2KI -->  I2 + 2KCl

Synthesis
Single Replacement
Double Replacement
Decomposition

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following is an example of synthesis?

Na + Br--> NaBr
KClO--> KCl + O2
HgO + Cl2-->HgCl + O2
Cl2 + NaBr --> NaCl + Br2

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which reaction type is the following:  Na + CaF2 --> Ca + NaF

Decomposition
Single Replacement
Synthesis
Double Replacement

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

The red numbers in the image below represent ________

subscripts
coefficients
I don't know, and don't want to try
None of the answers are correct

Tags

NGSS.HS-PS1-7

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

The blue numbers in the image below represent ________

I don't know, and don't want to try
coefficients
subscripts
none of the answers are correct

7.

MULTIPLE CHOICE QUESTION

30 sec • 12 pts

The substances at the beginning of a chemical equation are called the ____

product
yield
chemical symbol
reactants

Tags

NGSS.MS-PS1-5

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