in the laboratory, austin is given a mixture of iron filings, sand, and salt. to separate the mixture, austin uses a magnet, boiling water, and a filter. which statement is true about the process austin uses to separate this mixture?

in the laboratory, austin is given a mixture of iron filings, sand, an fe2(so4)3 is called \_\_\_\_\_\_\_\_. 2. an unused flashbulb contains magnesium and oxygen. after use, the contents are changed to magnesium oxide, but the total mass does not change. how can this observation be explained?,0,12019-12-10,https://studysoup.com/guide/957974/answers-to-quick-quiz

 
  chemistry 
  final 
  exam 
  study 
  guide: 
   unit 
  1: 
   1. 
  which 
  compound(s) 
  is/are 
  molecular? 
   1.   cu(no3)2 
   
   
   
   
   
   
   
   
   
   
  2. 
  sf6 
   
   
   
   
   
   
   
   
   
   
  3. 
  phosphorous 
  trichloride 
   
   
   
   
   
   
   
   
  4. 
  sodium 
  sulfate 
   a)   1 
  only 
   b)   2 
  only 
   c)   1 
  and 
  2 
  only 
   d)   3 
  and 
  4 
  only 
   2.   in 
  the 
  laboratory, 
  austin 
  is 
  given 
  a 
  mixture 
  of 
  iron 
  filings, 
  sand 
  and 
  salt. 
  to 
  separate 
  this 
   mixture, 
  austin 
  uses 
  a 
  magnet, 
  boiling 
  water 
  and 
  a 
  filte