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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
Biochemistry Introduction
Sucrose, lactose, and maltose are
monosaccharides
oligosaccharides
polysaccharides
vitamins
Author:
rikazzz
Comment
Chemical Equilibrium
The process by which ammonia is produced by the reaction of nitrogen with hydrogen at 200 atm pressure and in the presence of a catalyst is called
contact process
recovery of ammonia
calcination
Haber process
Author:
rikazzz
Comment
Organic Chemistry
An alkane with molecular formula C7H16 is called
butane
pentane
hexane
heptane
Author:
rikazzz
Comment
Environmental Chemistry: Atmosphere
Which of the following is the outermost layer of the atmosphere?
troposphere
stratosphere
mesosphere
thermosphere
Author:
rikazzz
Comment
Biochemistry Introduction
Source of stearic acid is
butter
palm oil
beef fat
olive oil
Author:
rikazzz
Comment
Organic Chemistry
Natural gas mostly consists of
ethane
butane
methane
pentane
Author:
rikazzz
Comment
Chemical Equilibrium
What percentage of ammonia is produced at equilibrium by the Haber process?
20 percent
33 percent
100 percent
99 percent
Author:
rikazzz
Comment
Biochemistry Introduction
Existence of RNA is in the form of
single strand
double strand
triple strand
four strands
Author:
rikazzz
Comment
Environmental Chemistry: Atmosphere
Sulphuric acid eats away metals to form
water soluble salts only
hydrogen only
oxygen
water soluble salts and hydrogen
Author:
rikazzz
Comment
Environmental Chemistry: Water
The fourth step of sewage water treatment is called
primary sewage treatment
secondary sewage treatment
activated sludge treatment
chlorination
Author:
rikazzz
Comment
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