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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
Organic Chemistry
The origin of carbon compounds is
non- living beings
living beings
organic
artificial
Author:
rikazzz
Comment
Chemical Industries
The boiling point of diesel is
270 °C to 340 °C
350 °C to 500 °C
500 °C to 600 °C
more than 500 °C
Author:
rikazzz
Comment
Biochemistry Introduction
Which of the following is contained in sugarcane, sugar beet and fruits?
monosaccharides
sucrose
cellulose
starch
Author:
rikazzz
Comment
Characteristics of Acids Bases and Salts
Product of [H+] and [OH-] is always
1 x 10-10
1 x 10-4
1 x 10-14
1 x 10-7
Author:
rikazzz
Comment
Chemical Industries
Ore of silicon is called
galena
zinc blende
Cassiterite
silica
Author:
rikazzz
Comment
Environmental Chemistry: Water
Which of the following is an acute inflammation of the liver?
cholera
dysentery
jaundice
hepatitis
Author:
rikazzz
Comment
Hydrocarbons
Which of the following has carcinogenic effects at high concentrations?
tetra chloromethane
dichloromethane
methyl chloride
Trichloromethane
Author:
rikazzz
Comment
Biochemistry Introduction
Any component of plant or animal tissue that is insoluble in water but soluble in solvents of low polarity is called
protein
lipid
carbohydrate
vitamin
Author:
rikazzz
Comment
Acids Bases and Salts
The process in which acids (H
+
) and bases (OH
–
) react to form salts and water is called
neutralization
hydrogenation
halogenation
sublimation
Author:
rikazzz
Comment
Characteristics of Acids Bases and Salts
Partial neutralization of Carbonic acid forms
carbon dioxide
hydrogen carbonate
carbonate
carbon monoxide
Author:
rikazzz
Comment
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