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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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Acids Bases and Salts
A substance that donates a pair of electrons to form a coordinate covalent bond is called
Lewis acid
Lewis base
Bronsted-Lowry acid
Bronsted-Lowry base
Author:
rikazzz
Comment
Environmental Chemistry: Water
How many basic steps are involved in sewage water treatment?
three
four
five
six
Author:
rikazzz
Comment
Biochemistry Introduction
What is formed when sucrose undergoes hydrolysis?
glucose
glucose and fructose
glucose and galactose
glucose and glucose
Author:
rikazzz
Comment
Biochemistry Introduction
Which of the following is added to fruit juices and flavored drinks to prevent scurvy and elimination of rickets?
vitamin A
vitamin B
vitamin C
vitamin D
Author:
rikazzz
Comment
Environmental Chemistry: Atmosphere
Maximum temperature of the troposphere is
17 °C
−55 °C
−5 °C
1800 °C
Author:
rikazzz
Comment
Chemical Equilibrium
Unit of the equilibrium constant for CO + 2H2 CH3OH is
no units
mol dm-3
dm3mol-1
[mol dm-3]-2
Author:
rikazzz
Comment
Acids Bases and Salts
Preservatives are used to preserve
food
acids
bases
water
Author:
rikazzz
Comment
Characteristics of Acids Bases and Salts
What is the term used for a salt which is formed by the partial neutralization of a polyhydroxy base?
basic salt
common salt
acid salt
normal salt
Author:
rikazzz
Comment
Environmental Chemistry: Atmosphere
What is the source of sulfur dioxide?
Powerstations and industries using fossil fuels
exhaust fumes of motor vehicles
incomplete burning of wood
none of above
Author:
rikazzz
Comment
Organic Chemistry
An alkane with molecular formula C9H20 is called
butane
octane
Nonane
Decane
Author:
rikazzz
Comment
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