Baased on the name alone, you should know that pentadiene is a chemical that has ___ bonds in it.
a) single
b) double
c) triple
d) quadruple

Which of these is an oxy-acid?
a) HI
b) H2SO4
c) HCl
d) HCOOH

Only one of these is an alkane.  Which one? (feel free to sketch)
a) C2H2
b) C2H4
c) C2H6
d) C2H8

One of these formulae is possibly a polymer.  Which one?
a) CH4
b) C2H2
c) CHOOH
d) C400H1200O150

Which of these is most likely an acid?
a) NaOH
b) HBr
c) NH3
d) H2O

Different isomers have the same....
a) structure
b) formula

One of these molecules doesn't exist!  Which one must it be?
a) C2H2
b) C2H4
c) C2H6
d) C2H8

Whenever you see a carbon atom in a molecule, you know that it forms ___ bond(s) with other atoms.
a) 1
b) 2
c) 3
d) 4

One of these is a base.  Which one?
a) Ba(OH)2
b) HCOOH
c) HCl
d) H2SO4

Polymers can be spotted by looking at them.  They are all....
a) small molecules
b) big molecules
c) single atoms
d) pH of about 7

Hydrogen can be predicted to form just one bond with one other atom by looking at the periodic table and noticing that it's in group ___.
a) 1
b) 2
c) 6
d) 7

Which one of these has a pH higher than 7?
a) vinegar
b) acid rain
c) stomach juice
d) drain cleaner

You can spot an alkyne because it has a(n) ___ bond.
a) single
b) double
c) triple
d) quadruple

Cyclopentadiene is a hydrocarbon that releases H+ ions in water.  When cyclopentadiene is placed in water, the pH is...
a) above 7
b) below 7
c) 7
d) unknown

When a reaction happens, it either takes in heat or it gives off heat.  What do we call it if it takes in heat?
a) endothermic
b) exothermic
c) isothermic
d) mockothermic

Draw two different isomers of C4H8

Which of these is an alkene?

a)
b)
c)
d)


Which of these is a polymer that is found only in plants?
a) DNA
b) starch
c) protein
d) cellulose

One of these is NOT a function of polymers in animals.  Which one?
a) constructing things
b) storing information
c) energy storage
d) cell protection

Write the correct version of this formula: MgOH

When water is mixed with calcium carbide, C2H2 is produced.  When C2H2 is burned in oxygen,  it gives off lots of heat. 
The reaction between water and calcium carbide is...
a) endothermic
b) exothermic
c) isothermic
d) nonthermic

The burning of C2H2 in the presence of oxygen is...
a) endothermic
b) exothermic
c) isothermic
d) nonthermic

From earlier in this test there's a question about a chemical called pentadiene.  You can reason that pentadiene would  ___.
a) turn blue litmus paper red
b) turn red litmus paper blue
c) turn cabbage juice green
d) not affect blue litmus paper

Draw two different isomers of C4H10