Chemistry

1.

Which metal is the most easily oxidized?
A.) highly active metal
*B.) moderately active metal
C.) slightly active metal
D.) an inactive metal

2.
What happens in a voltaic cell?

*A.) Chemical energy is changed to a electrical energy.
B.) Electrical energy is changed to chemical energy.
C.) Electrical energy is changed to magnetic energy.
D.) Magnetic energy is changed to electrical energy.

3.
In a dry cell, the electrolyte is a ____.

A.) solid
*B.) paste
C.) liquid
D.) gas

4.
What elecrolyte is used in a lead storage battery?

A.) hydrochloric acid
*B.) sulfuric acid
C.) lead acetate
D.) lead nitrate

5.
Which of the following is true about fuel cells?

A.) They only produce energy in short bursts.
B.) They are inexpensive.
C.) They have never been built or used.
*D.) They can be designed so that they emit no pollutants.

Thank You.

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  1. Number one is wrong but the others look okay to me. Here is a link that gives the activity series for the metals. The most active metals are listed at the top; the least reactive metals or listen to the bottom. So which do you think is easiest oxidize?
    http://www.files.chem.vt.edu/RVGS/ACT/notes/activity_series.html

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  2. I think I found out that it is A.

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  3. did you see that jose?

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  4. Yes, A is the correct answer.

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  5. 1. A
    2.A
    3.b
    4.b
    5.d

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  6. Coop71441 is right! 100% thank youuuuu

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