Crime Busters B

Test your knowledge of various Science Olympiad events.
NinjaKat748
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Re: Crime Busters B

Post by NinjaKat748 »

If you were given water and hydrogen peroxide, how would you find the difference between them? (They have the same ph, are odorless, and look pretty much exactly alike, just as a reminder)
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Re: Crime Busters B

Post by Tailsfan101 »

NinjaKat748 wrote:If you were given water and hydrogen peroxide, how would you find the difference between them? (They have the same ph, are odorless, and look pretty much exactly alike, just as a reminder)
Put some iodine in them. The hydrogen peroxide will fizz right away, but the water will have no reaction.
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Re: Crime Busters B

Post by Tailsfan101 »

Going to start this up again...

What is the only plastic that floats in 50% Isopropyl Alcohol?
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Re: Crime Busters B

Post by cookie75 »

Tailsfan101 wrote:Going to start this up again...

What is the only plastic that floats in 50% Isopropyl Alcohol?
Polypropylene?
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Re: Crime Busters B

Post by Tailsfan101 »

cookie75 wrote:
Tailsfan101 wrote:Going to start this up again...

What is the only plastic that floats in 50% Isopropyl Alcohol?
Polypropylene?
Correct! Your turn.
"Blessed are you when people insult you and persecute you, and falsely say all kinds of evil against you because of Me. Rejoice and be glad, for your reward in heaven is great; for in the same way they persecuted the prophets who were before you." Matthew 5:11-12

I have no regrets.
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Re: Crime Busters B

Post by cookie75 »

Um... all right then...
What are the four nitrogenous bases in DNA?
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Re: Crime Busters B

Post by Tailsfan101 »

cookie75 wrote:Um... all right then...
What are the four nitrogenous bases in DNA?
Adenine, Guanine, Cytosine, and Thymine.
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Re: Crime Busters B

Post by cookie75 »

Tailsfan101 wrote:
cookie75 wrote:Um... all right then...
What are the four nitrogenous bases in DNA?
Adenine, Guanine, Cytosine, and Thymine.
That's correct
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Re: Crime Busters B

Post by Tailsfan101 »

New Question: What is the only way to tell apart salt and sugar?
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Re: Crime Busters B

Post by Benewcomb »

The shape of the granules, and the taste. Salt is mainly cubic, and sugar looks a bit like a fallen column. Of course sugar is sweet, and salt is, well, salty.
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