Dr.Collins Answer key - wrong

[dk00]

9. If one gram of a substance occupies a volume of 100 mL and four grams of the same substance occupies a volume of 400 mL then the sustance is likely to be a:

A) solid . B) liquid. C) gas . D) plasma .​

The answer key says the answer to 9 is a. can someone explain this to me? google says the answer is gas according to this link http://answers.yahoo.com/question/index?qid=20110810154755AAqsFrZ​

Can anyone post a copy of the 2012 collins answer key with the corrected answers?​

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[Mouat]

The answer key (that I have) says answer C, with explanation - "note very low density hence is gas"

 

[iBeast]

You must have a bad copy. It's C, gas.

 

[Outwork505]

Mine says the answer is C for that question.

 

[Albe34]

does anyone needs to sell the Dr.Collins PCAT Book?