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WorksheetsQUIZ IN SCIENCE
Total questions: 10
Worksheet time: 4mins
Which is not a type of chemical reaction?
Decomposition
Substitution
Combination
Evaporation
What scientific law is the basis for balancing chemical equations?
Law of Chemical Reactions
Law of Conservation of Energy
Law of Conservation of Mass
Law of Definite Proportions
Aluminum metal reacts with oxygen gas to produce solid aluminum oxide (Al2O3). What type of reaction is being described?
Combination
Decomposition
Double Replacement
Single Replacement
Which of the following is a shorthand notation that represents substances undergoing chemical reactions?
Chemical Formula
Chemical Equation
Empirical Equation
Empirical Formula
Chemical changes are always represented by chemical equation. What entities are usually located on the right side of the chemical equation?
Coefficient
Product
Reactant
Subscript
What type of chemical equation is this:
Li + F2 ------> LiF
Combination
Decomposition
Single Replacement
Double Replacement
What type of chemical reaction is this:
AgNO3 + Cu ------> CuNO3 + Ag
Combination
Decomposition
Single Replacement
Double Replacement
What type of chemical equation is this:
CaSO4 + Mg(OH)2 -------> Ca(OH)2 + MgSO4
Combination
Decomposition
Single Replacement
Double Replacement
What type of chemical equation is this?
KClO3 ----------> KCl + O2
Combination
Decomposition
Single Replacement
Double Replacement
In a chemical equation, the symbol that takes place of the words "reacts with" is called ______.
Arrow
Coefficient
Equal Sign
Plus Sign
