Quiz about Balancing Chemical Equations

Question 1

Matter cannot be created nor destroyed in chemical reactions is known as...

Accepted Answer

Law of the Conservation of Matter

Answer

Newton's 1st Law

Answer

Newton's 2nd Law

Question 2

The number on the left side of the molecule is called...

Accepted Answer

Coefficient

Answer

Subscript

Answer

Number

Question 3

What type of chemical reaction is this?

CaCl₂ + H₂O --> Ca(OH)₂ + HCl + 65.2kJ

Accepted Answer

Exothermic

Answer

Endothermic

Question 4

What type of chemical reaction is this?

Fe₂O₃ + C + Heat --> Fe + CO₂

Accepted Answer

Endothermic

Answer

Exothermic

Question 5

What type of chemical reaction is this?

Ca(OH)₂ + H₂(SO₄) --> Ca(SO₄) + H₂O

Accepted Answer

Double Replacement

Answer

Synthesis

Answer

Decomposition

Answer

Single Replacement

Question 6

What type of chemical reaction is this?

CO + O₂ --> CO₂

Accepted Answer

Synthesis

Answer

Decomposition

Answer

Single Replacement

Answer

Double Replacement

Question 7

What type of chemical reaction is this?

NaCl + F₂ --> NaF + Cl₂

Accepted Answer

Single Replacement

Answer

Synthesis

Answer

Decomposition

Answer

Double Replacement

Question 8

What type of chemical reaction is this?

H₂O --> H₂ + O₂

Accepted Answer

Decomposition

Answer

Synthesis

Answer

Single Replacement

Answer

Double Replacement

Question 9

Is this a balanced equation?

C₆H₁₂O₆ + 6O₂ --> 6H₂O + 6CO₂

Accepted Answer

Yes

Answer

No

Question 10

Is this a balanced equation?

H₃AsO₄ + Pb(NO₃)₂ --> H(NO₃) + PbHAsO₄

Accepted Answer

No

Answer

Yes

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