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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
Environmental Chemistry: Water
Water that easily gives lather with soap is called
hard water
soft water
dirty water
clean water
Author:
rikazzz
Comment
Hydrocarbons
What is the color of bromine?
brown
red
orange
reddish-brown
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Comment
Organic Chemistry
What is the term used for a series of related compounds in which any two adjacent molecules differ by -CH2- group?
cyclic compounds
functional groups
homologous series
none of above
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Chemical Equilibrium
Unit of the equilibrium constant for N2 + O2 2NO is
no units
mol dm-3
dm3mol-1
[mol dm-3]-2
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Biochemistry Introduction
A component of plant or animal tissue insoluble in water is called
protein
carbohydrate
vitamin
lipids
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Hydrocarbons
Loss of water is called
hydrogenation
dehydration
halogenation
Dehydrohalogenation
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Comment
Characteristics of Acids Bases and Salts
Which of the following decreases when pH is less than 7?
[H+]
[OH-]
[O-]
[O+]
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Comment
Characteristics of Acids Bases and Salts
What is the pH of acid from batteries?
0
1
2
3
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Comment
Biochemistry Introduction
Which of the following is present in cereals, wheat, barley, rice, maize, potato, sweet potato, etc.?
sucrose
glucose
fructose
starch
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rikazzz
Comment
Environmental Chemistry: Water
Which of the following is an intestinal disease caused by a parasite, entamoeba?
cholera
dysentery
jaundice
hepatitis
Author:
rikazzz
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