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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
Characteristics of Acids Bases and Salts
What is the second part of the name of salt?
negative part of the acid
base
metal ion
non metallic ion
Author:
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Comment
Biochemistry Introduction
What happens if water-soluble vitamins are taken in excess?
they cause harm
they are readily excreted from the body
they cause no harm
they are not excreted from the body
Author:
rikazzz
Comment
Characteristics of Acids Bases and Salts
What is the experimentally determined concentration of OH- ions at 25 degrees Celsius?
1 x 10-2
1 x 10-4
1 x 10-7
1 x 10-10
Author:
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Comment
Environmental Chemistry: Atmosphere
Which of the following has the lowest percentage in the air?
krypton
argon
hydrogen
helium
Author:
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Comment
Hydrocarbons
What is the physical state of alkanes containing five to seventeen carbon atoms?
solid
liquid
gas
plasma
Author:
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Comment
Biochemistry Introduction
Vitamin K is soluble in
fat
water
ethers
phenols
Author:
rikazzz
Comment
Biochemistry Introduction
Source of caproic acid is
butter
palm oil
beef fat
olive oil
Author:
rikazzz
Comment
Chemical Industries
Which of the following is used as a fuel for jet planes?
Liquefied petroleum gas (LPG)
petrol
naphtha
kerosene
Author:
rikazzz
Comment
Biochemistry Introduction
Which of the following is converted to dextrin which is used as an adhesive for stamps and as wallpaper glue?
cellulose
starch
glucose
fructose
Author:
rikazzz
Comment
Biochemistry Introduction
Which of the following is not true about monosaccharides?
they are white crystalline solids
they are soluble in water
they have sweet taste
they can be hydrolyzed
Author:
rikazzz
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