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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
Everyday Science
The gas responsible for global warming is
oxygen
carbon dioxide
carbon monoxide
oxygen
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Characteristics of Acids Bases and Salts
Citric acid converts amines to
nitric acid
non-volatile salts
hydrochloric acid
sulphuric acid
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The Atmosphere
The atmosphere consists of
gases only
water vapors only
chemicals
gases and water vapors
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Chemical Industries
Number of carbon atoms per molecule in naphtha are
1 to 4
5 to 10
8 to 12
10 to 16
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Organic Chemistry
Process in which coal is heated in the absence of air at high temperature and converted into coal gas, coal tar, and coke is called
destructive distillation
distillation
burning of coal
burning of oxygen
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Environmental Chemistry: Atmosphere
Which layer of atmosphere is first exposed to sunlight?
troposphere
stratosphere
mesosphere
thermosphere
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Chemical Equilibrium
The equilibrium constant can be used to determine the equilibrium concentration of equilibrium mixture knowing the
final concentration of products
final concentration of reactants
initial concentration of reactants
initial concentration of products
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Biochemistry Introduction
Which of the following is contained by the fatty acid composition of vegetable oil?
carbon-carbon single bonds
carbon-carbon double bonds
carbon-carbon triple bonds
carbon-carbon quad bond
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Environmental Chemistry: Water
The second step of sewage water treatment is called
primary sewage treatment
secondary sewage treatment
activated sludge treatment
chlorination
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Biochemistry Introduction
Which of the following is used as common table sugar?
glucose
fructose
maltose
sucrose
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