Crime Busters B

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

Postby 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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MaeleeB
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Re: Crime Busters B

Postby MaeleeB » December 8th, 2016, 4:41 pm

Muriatic acid

What is the diameter of a grain of yeast?

-Groundhog-
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Re: Crime Busters B

Postby -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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2017: Anatomy and Physiology, Crime Busters, Meteorology, Reach for the Stars, Rocks and Minerals, Write It Do It

2016: Crave the Wave, Crime Busters, Meteorology, Picture This, Reach for the Stars

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Re: Crime Busters B

Postby 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?

TheRarePinkSheep
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Re: Crime Busters B

Postby 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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