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WorksheetsBalancing Chemical Equation
Total questions: 13
Worksheet time: 12mins
What type of reaction involves 2 substances combining to form 1 new compound?
Decomposition Reaction
Single Displacement Reaction
Double Displacement Reaction
Synthesis Reaction
Determine the coefficients to balance the equation.
__Al +__HCl --> __H2 +__AlCl3
2,6,3,2
it's already balanced
4,12,3,4
2,1,4,5
When a scientist mixed two chemicals, an exothermic reaction takes place. Which of the following would be proof that the reaction was exothermic?
a change of color
a change of state
a temperature decrease
a temperature increase
What type of reaction involves 2 substances combining to form 1 new compound?
Decomposition Reaction
Single Displacement Reaction
Double Displacement Reaction
Synthesis Reaction
What are the coefficients that would properly balance this equation?
__Ca + __H2O --> __Ca(OH)2 + __H2
2,1 --> 2,1
1,2 --> 1,1
1,2 --> 2,4
1,2 --> 2,1
Evidence of a chemical reaction include:
Phase change
No new substance
Bubbles forming
Shape change
What type of reaction involves the breaking down of a substance into simpler substances?
Single Displacement Reaction
Double Displacement Reaction
Synthesis Reaction
Decomposition Reaction
Determine the coefficients to make the following equation balanced?
__N2 + __O2--> __NO
1, 1, 1
1, 1, 2
2, 2, 2
1, 2, 2
What type of reaction involves one element replacing another element in a compound?
Single Displacement Reaction
Double Displacement Reaction
Synthesis Reaction
Decomposition Reaction
What type of chemical reaction is this one?
CUO + CO2 --> CuCO3
Decomposition
Combustion
Synthesis
Single Replacement
What type of chemical reaction is this one?
Al(OH)3 --> Al2O3 + H2O
Decomposition
Combustion
Synthesis
Single Replacement
What type of chemical reaction is this one?
Ca + MgCl2 --> CaCl2 + Mg
Decomposition
Combustion
Synthesis
Single Replacement
