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Chemistry
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Acids Bases and Salts
23
Biochemistry Introduction
217
Characteristics of Acids Bases and Salts
114
Chemical Industries
66
Environmental Chemistry: Atmosphere
95
Environmental Chemistry: Water
61
Chemical Equilibrium
46
Hydrocarbons
86
Organic Chemistry
92
The Atmosphere
25
Show/Hide Answers
Organic Chemistry
As compared to its parent alkane, an alkyl radical contains one
less carbon
less hydrogen
more carbon
more hydrogen
Author:
rikazzz
Comment
Characteristics of Acids Bases and Salts
What is the pH of water?
4
5
6
7
Author:
rikazzz
Comment
Biochemistry Introduction
Nucleotides consist of
nitrogenous base
pentose sugar
phosphate group
all of above
Author:
rikazzz
Comment
Environmental Chemistry: Atmosphere
Which of the following is produced when electrical discharges pass through oxygen in the air?
chlorofluorocarbons
methane
ozone
lead compounds
Author:
rikazzz
Comment
Biochemistry Introduction
When hydrogen is added to vegetable oils, they become
saturated and harder
unsaturated and softer
saturated and softer
unsaturated and harder
Author:
rikazzz
Comment
Biochemistry Introduction
Vitamin C is necessary for
eyes and skin
energy production in cells
healing wounds and preventing colds
bones and teeth
Author:
rikazzz
Comment
Environmental Chemistry: Atmosphere
What is the extension of the ionosphere above the surface of Earth?
80 km to 400 km
0 km to 12 km
400 km to thousands of kilometer
none of above
Author:
rikazzz
Comment
Characteristics of Acids Bases and Salts
What is the pH of gastric juice?
0
1
2
3
Author:
rikazzz
Comment
Biochemistry Introduction
Source of oleic acid is
butter
palm oil
beef fat
olive oil
Author:
rikazzz
Comment
Environmental Chemistry: Atmosphere
Brilliant light displays occurring in the northern hemisphere due to particles from the sun that enter ionosphere are called
stars
rainbows
aurora borealis
none of above
Author:
rikazzz
Comment
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