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Author Question: After the paradichlorobenzene freezes, how is the thermometer removed from the frozen solid? A) ... (Read 78 times)

drink

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on: Aug 27, 2018
After the paradichlorobenzene freezes, how is the thermometer removed from the frozen solid?
 
  A) pull the thermometer from the test tube carefully
  B) tap the test tube carefully until the thermometer is loose
  C) rotate the thermometer slowly in the test tube until it is loose
  D) heat the test tube and thermometer with a laboratory burner
  E) place the test tube and thermometer in hot water

Question 2

Who was the French chemist that discovered an inexpensive method for producing aluminum metal from its ore?
 
  A) Frederick Alum
  B) Jacques Charles
  C) Paul Hroult
  D) Antoine Lavoisier
  E) none of the above


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diesoon

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Reply #1 on: Aug 27, 2018
Answer to Question 1

E)

Answer to Question 2

C


drink

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Reply 2 on: Aug 27, 2018
Thanks for the timely response, appreciate it

nothere

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Reply 3 on: Yesterday
Gracias!

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