WorksheetsChemical Rxn & Balancing Equations II
Total questions: 17
Worksheet time: 24mins
What is law of conservation of mass ?
Mass of reactants = mass of products
mass of reactants > mass of the products
mass of the reactants < mass of the products
mass of reactants > 2 mass of the reactants
H2 + O → H2O
H2 + O → H2O
__P4 + __O2 --> __P2O3
This picture is an example of burning a hydrocarbon which is what type of reaction?
Combustion
Synthesis
Endothermic
Decomposition
Which of the following is an example of a synthesis reaction?
AX -> A + X
A + X -> AX
ABC -> A + B + C
CH + 02 -> CO2 + H2O
Which of the following is an example of a decomposition reaction?
AX -> A + X
A + X -> AX
A + B + C -> ABC
CH + O2 -> CO2 + H20
Which type of reaction has the following general pattern?
ABC → A + B + C
synthesis
combustion
decomposition
endothermic
Identify the type of reaction:
Ca + O2 --> CaO
Decomposition
Synthesis
Endothermic
Combustion
