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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
Characteristics of Acids Bases and Salts
Intensely colored organic compounds are called
ph
red litmus paper
blue litmus paper
indicators
Author:
rikazzz
Comment
Organic Chemistry
How many main groups are organic compounds classified into based on carbon skeleton?
two
three
four
five
Author:
rikazzz
Comment
Biochemistry Introduction
The general formula of Monosaccharides is
CnH2n+2
CnH2n
CnH2n-2
(CH2o)n
Author:
rikazzz
Comment
Environmental Chemistry: Atmosphere
Which of the following is not true about nitrogen dioxide?
it is reddish brown
it has pungent odor
it is insoluble in water
it is toxic
Author:
rikazzz
Comment
Biochemistry Introduction
Which of the following is used to make rectified spirit by fermentation process?
cellulose
starch
glucose
fructose
Author:
rikazzz
Comment
Environmental Chemistry: Water
The third step of sewage water treatment is called
primary sewage treatment
secondary sewage treatment
activated sludge treatment
chlorination
Author:
rikazzz
Comment
Characteristics of Acids Bases and Salts
What is the pH of lemon juice?
0
1
2
3
Author:
rikazzz
Comment
Biochemistry Introduction
In what form is glucose stored in animal muscles and liver cells?
glucagon
vitamins
glycogen
starch
Author:
rikazzz
Comment
Characteristics of Acids Bases and Salts
What is the color of methyl orange in the NaOH solution?
red
yellow
blue
pink
Author:
rikazzz
Comment
Biochemistry Introduction
RNA (Ribonucleic Acid) exists in the form of
solid
gas
double strand
single strand
Author:
rikazzz
Comment
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