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1.Compounds that have the same molecular formula but different arrangements of atoms are called

___________________.


A:Isotopes
B:Isomers
C.Indicators
D.Isozymes


2.The IUPAC name of the following compound is ________________________.                                  
                CH3
| I              CH3-C-CH2-CH3 
                     |                                                                                               
              CH3






A.2,2-dimethylbutane
B.2-dimethylpentane
C.3,3,-dimethylbutane
D.2,2-dimethylhexane


3.lkene is a carbon compound that contains a carbon-carbon _____ bond.


A.single 
B.double
C.triple
D.none of the above


4.Ammonium hydroxide is a weak base becasue _________________________.
A.It is a dilute solution.
B.It is only slightly soluble in water.
C.It is partially dissociates in water.
D.It is completely ionized in aqueous solution.


5.Which one of the following is characteristic of an acid ?
A.Produces  H3O+ (H+ ) in water.
B.has aslippery, soapy touch 
C.produces OH - in water.
D.B and C


6.According to the Bronsted-Lowry definition a base is a __________________.


A.proton donar.
B.proton acceptor.
C.solvent.
D.substance that produces OH- in water.


7.Identify the Bronsted-Lowry base in the following reaction:
  H2O +  CO32- → HCO-3 +  OH -
A.H2O  
B.CO32-
C.HCO-3
D.OH-


8.The name of  Cu(OH)2 is ________________.


A.Monocopper dihydroxide
B.Copper (I) hydroxide
C.Copper (II) hydroxide
D.Copper hydroxide


9.What is the [OH-] in a solution that has a [H3O+] = 1.0 x 10-6 M?


A.1.0 x 10-2 M
B.1.0 x 10-6 M
C.1.0 x 10-8 M
D.1.0 x 10-12 M


10.An acid and base react to form a salt and water in a(n) _____________reaction.


A.Ionization
B.Neutralization
C.oxidation
D.Reduction

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Subject: Chemistry, Science

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