Baased on the name alone, you should know that pentadiene is a chemical
that has ___ bonds in it.
Which of these is an oxy-acid?
Only one of these is an alkane. Which one? (feel free to sketch)
One of these formulae is possibly a polymer. Which one?
Which of these is most likely an acid?
Different isomers have the same....
One of these molecules doesn't exist! Which one must it be?
Whenever you see a carbon atom in a molecule, you know that it forms ___ bond(s) with other atoms.
One of these is a base. Which one?
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 ___.
Which one of these has a pH higher than 7?
b) acid rain
c) stomach juice
d) drain cleaner
You can spot an alkyne because it has a(n) ___ bond.
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
When a reaction happens, it either takes in heat or it gives off heat. What do we call it if it takes in heat?
Draw two different isomers of C4H8
Which of these is an alkene?
Which of these is a polymer that is found only in plants?
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...
The burning of C2H2 in the presence of oxygen is...
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