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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
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Organic Chemistry
What is the term used for the self-linking ability of carbon?
catenation
isomerism
Bessemerization
carbonation
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Hydrocarbons
Addition of hydrogen to ethene forms
methane
propane
butane
ethane
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Hydrocarbons
Which of the following is not true about alkanes?
they are non-polar
they are less dense than water
they are insoluble in water
they are reactive towards most ionic compounds
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Biochemistry Introduction
Which of the following helps the muscles of our intestine to move food efficiently through the digestive track?
vitamins
fiber
proteins
lipids
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The Atmosphere
Ozone (O
?
) comprises of
one oxygen atom
2 oxygen atoms
3 oxygen atoms
4 oxygen atoms
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Environmental Chemistry: Water
Step of sewage water treatment in which some of the solids are removed as sludge is called
primary sewage treatment
secondary sewage treatment
activated sludge treatment
chlorination
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Environmental Chemistry: Water
Addition of washing soda removes
softness of water
temporary hardness of water
permanent hardness of water
hydrogen from water
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Hydrocarbons
C
5
-C
15
members of alkenes are
solids
liquids
gases
plasma
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The Atmosphere
The atmospheric layer closest to the earth's surface is
troposphere
mesosphere
stratosphere
thermosphere
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Biochemistry Introduction
If a lipid is liquefied at room temperature, it is called
fat
oil
proteins
ghee
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