Crime Busters B

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

Postby NinjaKat748 » January 5th, 2018, 11:36 am

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)
hello this kind of text fade isn't easy why did I do all of that
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Re: Crime Busters B

Postby Tailsfan101 » January 6th, 2018, 7:48 am

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

Postby Tailsfan101 » January 26th, 2018, 8:02 am

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

Postby cookie75 » January 27th, 2018, 10:09 am

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

Postby Tailsfan101 » January 27th, 2018, 10:20 am

Going to start this up again...

What is the only plastic that floats in 50% Isopropyl Alcohol?
Polypropylene?
Correct! Your turn.
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Re: Crime Busters B

Postby cookie75 » January 27th, 2018, 10:50 am

Um... all right then...
What are the four nitrogenous bases in DNA?

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Re: Crime Busters B

Postby Tailsfan101 » January 29th, 2018, 7:29 am

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

Postby cookie75 » January 29th, 2018, 8:20 pm

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

Postby Tailsfan101 » January 30th, 2018, 7:04 am

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

Postby Benewcomb » January 31st, 2018, 8:44 am

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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