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DR AND STATES
DR AND STATES
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1
Which is true regarding double-displacement reactions?
the ions of two reactants must be exchanged
two products are formed
All are true.
a precipitate may form
2
Predict the product(s) =} Double Replacement
CaF2 + H2O
Ca2F2 + H
CaF + H2O
Ca2F + H2O
3
double–displacement
d
c
b
a
4
In a double replacement has how many switches?
red switch
2 switch
1 switch
blue switch
5
Predict the products in the double replacement reaction
No Reaction
NaSO4 + Ca3PO4
Na2SO4 + Ca3(PO4)2
Na2Ca + (PO4)2(SO4)3
6
Predict the product(s) =} Double Replacement
Ca2F + H2O
Ca2F2 + H
CaF2 + H2O
CaF + H2O
7
Double Replacement Reaction: AB + CD -->
BA + DC
AC + BD
AD + BC
AD + CB
8
Predict the products of this double displacement reaction: K
2
O + Li
3
P ->
K3P + Li2O
KP + LiO
KO2 + P2O
KLi + O3P2
9
Predict
the products of this
double displacement
reaction:
K(NO3) + PbI2
K2Pb + I(NO3)
10
How Many US States begin with the letter G?
3
1
2
4
11
What is this current professional mascot?
Golden State Warriors
Chicago Blackhawks
Kansas City Chiefs
Cleveland Indians
12
There are _____ US state capitals west of Los Angeles.
4
6
0
3
13
What is the name of the LHS student newspaper
The Minuteman
The Muzzey Street Journal
The Musket
The LHS Times
14
A double replacement reaction will have what
products
?
one compound and one element
two compounds
two elements
one compound
15
Predict the products for the below double replacement reaction
BrCN(aq) + NaH(aq)
H2CN(aq) + NaBr2(aq)
HCN(aq) + NaBr(aq)
H(CN)2(aq) + Na2Br(aq)
16
Which LHS staff member did NOT graduated from LHS?
Mr. Abdu-Glass
Mr. Walsh
Mr. Sideman
Ms. Small
17
Predict the products of this double replacement reaction
MgOH + NaS
NaMg + SOH
NaS2 + Mg2OH
Na2S + Mg(OH)2
18
What is UCLA's mascot?
Bruin
Brown Bear
Grizzly Bear
Cub
19
Predict the following products in the double displacement reaction.
NaCl + MgBr
NaMg + BrCl
NaCl2 + MgBr
NaCl + MgBr2
20
What is Duke's mascot?
blue devil
blue hero
blue bird
blue robber
21
What would the products be in this double displacement reaction?
NaAg + ClNO3
Na2NO3 + Ag2Cl
NaNO3 + AgCl
Na3Ag + Cl2NO3
22
Travelling only on land. What is the least number of US states travelled through to get from Canada to Mexico?
6
3
5
4
23
What happened in Lexington, Massachusetts?
The shot heard around the world
The last battle of the War
The longest battle of the war
a large massacre
24
How Can We Predict A Double Displacement Reaction
We see into the future
When the metals switch and a solid is formed in the product
You can’t predict because you don’t know what elements can switch
When the metals combine into one metal
25
In double replacement two reactants create 4 products
False
True
