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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
Acids Bases and Salts
If the pH value is greater than 7, then the solution is
acidic
basic
neutral
salty
Author:
rikazzz
Comment
Hydrocarbons
Which of the following helps to initiate the ripening of fruits and vegetables?
ethane
ethene
Ethyne
methane
Author:
rikazzz
Comment
Characteristics of Acids Bases and Salts
What is the pH of the soapy solution?
8
9
10
12
Author:
rikazzz
Comment
Environmental Chemistry: Atmosphere
Which of the following is true about incineration?
it consumes all combustible materials
it is a clean process
it does not produce air pollution
it does not generate odor
Author:
rikazzz
Comment
Biochemistry Introduction
Which of the following is obtained by heating bones and tendons in the water?
gelatin
enzyme
amylase
lactase
Author:
rikazzz
Comment
Environmental Chemistry: Water
What is the fourth step of raw water treatment?
sedimentation
coagulation
filtration
chlorination
Author:
rikazzz
Comment
Biochemistry Introduction
Starch is an example of?
monosaccharides
oligosaccharides
polysaccharides
lipids
Author:
rikazzz
Comment
Chemical Industries
What are the raw materials used in the Solvay process?
ammonia
brine
lime stone
all of above
Author:
rikazzz
Comment
Biochemistry Introduction
The layer of fat under mammalian skin acts as an
electric insulator
thermal insulator
protection from germs
protection from viruses
Author:
rikazzz
Comment
Characteristics of Acids Bases and Salts
What is the term used for a reaction in which two water molecules produce ions?
hydrogenation
halogenation
dehydration
self-ionization
Author:
rikazzz
Comment
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