
Chemical Reactions
Authored by Wayground Science
Science
12th Grade
Used 134+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A substance that undergoes a change in a chemical reaction is
a product
a chemical
a reactant
an enzyme
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens in a chemical reaction?
atoms are destroyed
atoms are created
molecules are created
atoms are rearranged
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In an exothermic reaction, energy is transferred from
the reactants to the surroundings
the surroundings to the reactants
one reactant to another
the container to the chemicals
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chemical energy is energy that is
added to a reaction in the form of heat.
present within atoms and molecules.
caused by the movement of electricity.
released only when oxygen is present.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The energy source in photosynthesis is
light energy
chemical energy
heat energy
kinetic energy
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A synthesis reaction is a reaction between at least two compounds in which
one breaks down into at least two products
a compound is decomposed by an electric current
a compound burns in the presence of oxygen
a new more complex compound is formed
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The product of the synthesis reaction between sodium and chlorine gas is
polyethylene
carbon dioxide
sodium chloride
copper (II) chloride
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