Can You Pass Chemistry 101?

Do you have a basic understanding of chemistry? Test your knowledge with this exciting chemistry 101 quiz!

#Science #knowledge

Your opinion matters
193 Comments
Alan Pearlman
Odor is a physical property. Flammability is a chemical property. Please revise question 3.
65
Apr 6, 2016 5:34PM
Carl Anderson
Carl Anderson
And pH 7 is neutral, not acidic.
13
Apr 9, 2016 3:46AM
James Vetzel
James Vetzel
"pH of less than 7" The answer is correct.
17
Apr 11, 2016 5:31PM
Teo Sinclair
Spot on, Alan... And not only physical, but subjective.
5
Apr 11, 2016 11:47PM
Shana Erving Messer
Mercury liquid at any temperature. BUt Gallum has the lowest melting point. The answer is incorrect,
2
Apr 17, 2016 11:35PM
lordnaylor
7 right not bad
1
May 6, 2016 2:24PM
Ian Sadler
Don't think 29.76 C is "room temperature". The answer is correct (mercury, BTW, freezes at -38.83 and boils at 357 C - it is emphatically NOT "liquid at any temperature")
2
May 6, 2016 5:22PM
filmnut
That's the only one I MISSED(#3)! If it isn't flammable.
5
May 14, 2016 9:48PM
Steven Fogel
Excellent point!
2
Jul 4, 2016 5:38PM
cairndona
Concerning No. 3: I am sure all those doomed passengers on the Hindenburg zeppelin that burst into flames in New Jersey in 1937 because it was full of hydrogen will be comforted to learn on their celestial perch that hydrogen is odorless rather than flammable. The primary use of hydrogen is to burn it to make water -- except in the cores of stars where it is fused to make helium and release energy.
11
Jul 4, 2016 6:04PM
Brenda Bush
probably the first chem class I passed
0
Jul 4, 2016 8:59PM
David Grimsrud
Since when is Alaki Earth metals on the Periodical Chart?
0
Jul 5, 2016 4:16PM
Timothy White-Stevens
Timothy White-Stevens
Odour is a physical property, because it is detected by our physical senses. Flamability, or combustability, is a chemical propertry because it measures how it reacts with other substances, namely does it burn with oxygen. Likewise, both mercury and gallium are liguids at room temperature; however, mercury is better known.
0
Jul 28, 2016 6:11AM
Robert Saffian
Robert Saffian
PH 7 is neutral.
0
Aug 10, 2016 12:41AM
Maggie Sayre
Missed 1 question 3 oh well.
0
Aug 22, 2016 7:30PM