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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
Biochemistry Introduction
1g of glucose (C
6
H
12
O
6
) provides energy
10KJ
160KJ
15.6KJ
80KJ
Author:
rikazzz
Comment
Characteristics of Acids Bases and Salts
The self-ionization of water occurs to a very small extent because water is a/an
strong electrolyte
weak electrolyte
amphoteric substance
liquid
Author:
rikazzz
Comment
Chemical Equilibrium
What is represented by each figure within a square bracket in the equilibrium expression?
concentration in mol.dm-3
volume of products
mass of products
mass of reactants
Author:
rikazzz
Comment
Biochemistry Introduction
Fats and oils are called
simple lipids
saturated fatty acids
unsaturated fatty acids
complex lipids
Author:
rikazzz
Comment
Biochemistry Introduction
Which of the following is caused due to an extreme lack of proteins?
malaria
typhoid
kwashiorkor
anemia
Author:
rikazzz
Comment
Biochemistry Introduction
Fructose is an example of
monosaccharides
oligosaccharides
polysaccharides
vitamins
Author:
rikazzz
Comment
Environmental Chemistry: Atmosphere
What is the extension of the exosphere 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
Organic Chemistry
Which of the following is used as a solvent for fats, oils, paints, and varnishes?
ethylene
acetylene
phenol
methanol
Author:
rikazzz
Comment
Biochemistry Introduction
Cholesterol comes from
animal products
vegetable products
fruit products
insect products
Author:
rikazzz
Comment
Hydrocarbons
How does chlorine react?
explosively
slowly in dark but rapidly in strong sunlight
requires high temperature or strong sun light
essentially unreactive
Author:
rikazzz
Comment
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