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WorksheetsCQ- 5th 6wks
Total questions: 32
Worksheet time: 1hrs 5mins
H2O is a ________ molecule.
polar
nonpolar
ionic
metallic
Oxygen attracts most of the _____ towards its end and away from the hydrogen.
n0
p+
e−
The oxygen end acts (a) , while the hydrogen end acts (b) in a water molecule.
In cohesion, water molecules attract...
other molecules.
each other.
to nothing.
In adhesion, water molecules attract...
other molecules.
each other.
to nothing.
What is a universal solvent?
temperature
heat
water
acids
Define the term insoluble
can dissolve in water
cannot dissolve in water
partially dissolves in water
What is a solvent?
A liquid that will dissolve a solid solute
Another word for solution
A thing that make drinks change color
Usually the solid about to be dissolved
Which is an example of a solute?
egg whites
water
sugar
acetone
Define the term soluble
can dissolve in water
cannot dissolve in water
partially dissolves in water
The substance being dissolved in a solution is the...
solution
solvent
solute
mixture
What do you call a solution that contains less than the maximum amount of solute that is capable of being dissolved?
unsaturated solution
saturated solution
supersaturated solution
insoluble solution
What is the molarity of a solution containing 4.0 moles of KCl in 2.5 L of solution?
1.6 M
0.63 M
1.0e0 M
2.6 M
What volume is needed to make a 2.45 M solution of KCl using 0.50 mol of KCl?
(a)
How many moles of NaCl are needed to make 5.25 L of a 0.25 M solution?
(a)
A dilution is when
solute is added to the volume of solution
water is added to the volume of solution
solute is removed from the volume of solution
water is removed from the volume of solution
What volume, in milliliters, of 10.0 M NaOH is needed to prepare 300.0 mL of 2.00 M NaOH by dilution?
0.067 mL
60.0 mL
100 mL
125 mL
What is the molarity of a solution made by diluting 26.5 mL of 6.00M HNO3 to a volume of 250.0 mL?
15.9 M
0.636 M
0.642 M
1.59 M
If a compound BEGINS with the letter H, what type of compound is it? Ex: H3PO4
ionic
covalent
base
acid
If a compound ENDS with the letters OH, what type of compound is it? Ex: RbOH
ionic
covalent
acid
base
iron oxide
iron hydroxide
iron (II) hydroxide
iron dihydroxide
Identify the acid and the base in the follwing reaction.
KOH + HBr → H2O + KBr
KOH is the base and HBr is the acid.
KOH is the acid and HBr is the base.
KOH and HBr is the acid.
KOH and HBr is the base.
Predict the products of the following reaction. No need to balance.
Ca(OH)2 + HNO3 -->
Ca(NO3)2 + H2O
H2Ca + (OH)(NO3)
CaNO3 + H2O
CaH + NO3OH
Predict the products
3KOH + H3PO4 -->
H2O
K3PO4
KPO4
K4PO3
Predict the type of the following reaction.
Ca(OH)2 + HNO3 -->
Neutralization
Double Replacement
Single Replacement
Combustion
