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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
Biochemistry Introduction
Which of the following contains a larger proportion of unsaturated fatty acid units?
fats
oils
proteins
carbohydrates
Author:
rikazzz
Comment
The Atmosphere
The amount of Nitrogen (N
2
) present in dry air is
0.2
0.78
0.48
0.68
Author:
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Comment
Environmental Chemistry: Water
Property due to which water acts as a universal solvent is its
polarity only
ability to make hydrogen bond only
strong dipole dipole interaction
polarity and ability to make hydrogen bond
Author:
rikazzz
Comment
Biochemistry Introduction
Important sources of proteins are
meat
eggs
cheese
all of above
Author:
rikazzz
Comment
Characteristics of Acids Bases and Salts
What is the pH of the apple?
5.5 – 7.0
6.5 – 7.0
6.0 – 7.5
6.5 – 7.5
Author:
rikazzz
Comment
Biochemistry Introduction
What is the term used for carbohydrates which form 100 to 1000 units of simple sugars upon hydrolysis?
monosaccharides
oligosaccharides
polysaccharides
lipids
Author:
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Comment
Characteristics of Acids Bases and Salts
Na2SO4 is a/an
basic salt
common salt
acid salt
normal salt
Author:
rikazzz
Comment
Biochemistry Introduction
Which of the following is used in infant foods?
protease
amylase
diastase
lactase
Author:
rikazzz
Comment
Environmental Chemistry: Atmosphere
Majority of the UV rays are screened out by
oxygen
nitrogen
ozone
carbon
Author:
rikazzz
Comment
Characteristics of Acids Bases and Salts
What is the color of methyl orange in the soap solution?
red
yellow
blue
pink
Author:
rikazzz
Comment
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