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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
Which of the following is the simplest alkane?
methane
ethane
propane
butane
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Hydrocarbons
Ethene, propene, and butene are
solids
liquids
gases
plasma
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Hydrocarbons
Alkanes (saturated hydrocarbons) have a density
less than water
equal to water
more than water
more than mercury
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Comment
Environmental Chemistry: Atmosphere
Ozone formation and destruction are powered by
oxygen gas
atomic oxygen
ultraviolet radiation
chlorine gas
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Comment
Chemical Industries
The process of converting minerals into oxides is called
smelting
reigning
roasting
Bessemerization
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Characteristics of Acids Bases and Salts
Which of the following is used in making mortar, plasters, cement?
sodium hydroxide
potassium hydroxide
calcium hydroxide
magnesium hydroxide
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Comment
Characteristics of Acids Bases and Salts
Considering the methods for making salt, the reaction of salt and salt gives
salt and water
salt and hydrogen
salt, carbon dioxide and water
salt and salt
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Chemical Equilibrium
The state at which forward and reverse reactions occur at the same rate is
equilibrium
unstable equilibrium
not in equilibrium
neutral equilibrium
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Characteristics of Acids Bases and Salts
What is the term used for a salt which is formed by partial neutralization of an acid?
basic salt
common salt
acid salt
normal salt
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Organic Chemistry
Which of the following is used for artificial ripening of fruits?
ethylene
acetylene
phenol
methanol
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