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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
Chemical Industries
Which of the following is used as a fuel for power stations, factories, and ships?
diesel
lubricating oil
fuel oil
bitumen
Author:
rikazzz
Comment
Environmental Chemistry: Atmosphere
Which of the following contains the maximum amount of ozone?
troposphere
stratosphere
mesosphere
thermosphere
Author:
rikazzz
Comment
Biochemistry Introduction
Our bodies cannot produce
minerals
proteins
vitamins
carbohydrates
Author:
rikazzz
Comment
Environmental Chemistry: Water
Which of the following is a dangerous intestinal disease that spreads by polluted water containing bacteria?
typhoid
dysentery
amoeba
hepatitis
Author:
rikazzz
Comment
Biochemistry Introduction
Which of the following is not true about polysaccharides?
they are amorphous solids
they are tasteless
they are insoluble in water
they are reducing in nature
Author:
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Comment
Environmental Chemistry: Atmosphere
A waste treatment process in which solid waste is burned at high temperature is called
combustion
incineration
oxidation
reduction
Author:
rikazzz
Comment
Organic Chemistry
Considering alkyl radicals, what is the term used for the group obtained by removing terminal hydrogen atom?
Iso-propyl
n-propyl
neo-propyl
propyl
Author:
rikazzz
Comment
Organic Chemistry
Almost 95% of compounds are of carbon because they can form
single bonds
double bonds
triple bonds
multiple bonds
Author:
rikazzz
Comment
Chemical Industries
Raw materials for production of urea are
ammonia and carbon dioxide
oxygen and carbon dioxide
ammonia and oxygen
ammonia and phosphate
Author:
rikazzz
Comment
Characteristics of Acids Bases and Salts
If [H+] increases, [OH-]
also increases
remains same
decreases
none of above
Author:
rikazzz
Comment
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