Chemical Reactions and Equations
Quiz
•
Chemistry
•
10th Grade
•
Hard
+3
Standards-aligned
Charles Martinez
FREE Resource
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21 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Chemical formula of quick lime is :
CaO
Ca(OH)2
CaCO3
CO2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Silver article turns black when kept in open for a few days due to formation of
H2S
AgS
AgSO4
Ag2S
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A chemical equation should be balanced to :
show conservation of energy
show conservation of mass
to make equation attractive
All of the above
Tags
NGSS.HS-PS1-7
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In which of the following process a chemical reaction has taken place?
Ice melts into water
A wet shirt got dried in sunlight
A brown layer is formed over iron rod kept in air
sugar getting dissolved in water
Tags
NGSS.HS-PS1-2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is not a chemical reaction ?
Formation of salt solution
Milk turns sour in hot weather
Burning of match stick
Contamination of food
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An unbalanced chemical equation is written in :
Simple form
Proper form
Unorganized form
Skeletal form
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The reaction in which two compound exchange their ions to form two new compounds is called
displacement reaction
combination reaction
redox reaction
double displacement reaction
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