Chemical Reactions
Chemistry
9th - 11th Grade
NGSS covered
Used 762+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
If an element is diatomic it should have a subscript of___
1, always
2, only when it is an element
it shouldn't have a subscript, it should have a coefficent
2, when bonded in a compound
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
What is the charge of Iron in this compound. (Hint: think criss cross method):
Fe3(PO4)2
3+
2+
1+
6+
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
The symbol for a substance dissolved in solution is ______
(s)
(l)
(aq)
(g)
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Fill in the blank. (Copper has a charge of 2+)
Cu+ AgNO3 → Ag + _____
Cu(NO3)2
CuNO3
CuAg
Cu
Tags
NGSS.HS-PS1-2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Predict the products of this synthesis reaction: H2 + Cl2 →
HCl
H2Cl2
H2Cl
HCl2
Tags
NGSS.HS-PS1-2
NGSS.HS-PS1-1
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What type of reaction is this?
2 C6H14 + 19 O2 → 12 CO2 + 14 H2O
Single Replacement
Double Replacement
Combustion
Decomposition
Tags
NGSS.MS-PS1-2
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Predict the products for the this Single Replacement reaction:
K + HCl →
KCl + H2
KHCl
KH + Cl2
HCl + K2
Tags
NGSS.HS-PS1-2
NGSS.HS-PS1-1
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