Crime Busters B

Test your knowledge of various Science Olympiad events.
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SenseiSushi
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Crime Busters B

Post by SenseiSushi » September 6th, 2016, 1:36 pm

Short Event Description: Teams will identify the perpetrators of a crime or crimes by using paper chromatography and analysis of unknown solids, liquids, and plastics found at the scene of a crime.

What is another name for hydrochloric acid?
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Re: Crime Busters B

Post by MaeleeB » December 8th, 2016, 4:41 pm

Muriatic acid

What is the diameter of a grain of yeast?

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Re: Crime Busters B

Post by -Groundhog- » January 23rd, 2017, 5:25 pm

It varies greatly, but it's usually 3 - 4 µm (micrometers). If you mix iodine with a starch, what is the resulting color?
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Re: Crime Busters B

Post by Hermione » February 16th, 2017, 11:48 am

It turns Black. What are the three reactions of Calcium Sulfate? What is calcium sulfate another name for?

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Re: Crime Busters B

Post by TheRarePinkSheep » February 27th, 2017, 4:59 pm

I'm not sure what you meant by three reactions but, it doesn't react with anything(Iodine, HCl or water). Another name for it is gypsum. What is the least dense plastic that can be given?
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