3 Answer:
Substances that react with metals to produce hydrogen gas are called
a. acids.
b. bases.
c. salts.
d. tinctures.
4 Answer:
A weak acid has a pH of
a. close to 0.
b. close to 7.
c. 7.
d. close to 14.
6 Answer:
A measurement of how much solute can be dissolved in a given amount
of solvent under a certain condition is called
a. polarity.
b. strength.
c. molarity.
d. solubility.
8 Answer:
An example of an alkane is
a. propane.
b. butene.
c. ethylene.
d. ethyne.
9 Answer:
A mixture in which a solute is dissolved in a solvent is called a (an)
_____.
10 Answer:
A substance that feels slippery and produces hydroxide ions is called a
(an) _____.
11 Answer:
All organic compounds contain the element _____.
12 Answer:
A (An) _____ formula shows the kind, number, and arrangement of atoms
in a molecule.
13 Answer:
The rate of solution of solid in a liquid is decreased by stirring the
solution.
a. true
b. false
14 Answer:
Acids turn blue litmus paper red.
a. true
b. false
15 Answer:
A neutral substance has a pH of 14.
a. true
b. false
16 Answer:
Organic compounds generally have a high melting point.
a. true
b. false