Free Printable Chemical Rxns Test Corrections

Worksheets

Chemical Rxns Test Corrections

Total questions: 12

Worksheet time: 13mins

Name

Class

Date

How many Sodium (Na) are in 6NaCl?

Which of the following will always be the products in a combustion reaction? There is more than one answer.

carbon

$H_2O$

nitrogen

beryllium

According to the Law of Conservation of Mass, the mass of the reactants ___ the mass of the products

equals

is greater than

is less than

cannot equal

In this chemical equation , CH₄ and 2O₂are called the...

Products

Reactants

Coefficient

Subscript

Identify the type of reaction

Zn + H₂S --> ZnS + H₂

synthesis

double replacement

single replacement

decomposition

What type of reaction is

C₈H₁₈ + O₂ --> CO₂ + H₂O

combustion

double replacement

synthesis

decomposition

Identify the type of reaction

2 K + Br₂ --> 2 KBr

synthesis

decomposition

single replacement

combustion

What type of reaction is illustrated below?
2HI --> H₂+ I₂

synthesis

decomposition

single replacement

double replacement

This is an example of a

HCl + NaOH --> HOH + NaCl

Synthesis Reaction

Decomposition Reaction

Single Replacement Reaction

Double replacement Reaction

10.

Balance this equation.

__SnO₂+__H₂-->__Sn +__H₂O

1,1,2,1

1,2,1,1

1,2,1,2

1,2,2,1

11.

What are the coefficient used to balance the equation below?
__Ag₂O →__ Ag +___O₂

2,4,1

1,1,1

2,1,2

2,2,2

12.

Balance this equation.

__Mg + __Cl₂--> __MgCl₂

1, 2,1

already balanced

2,1,1

1,1,2

Reset

Chemical Rxns Test Corrections

Total questions: 12

Worksheet time: 13mins

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