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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
Hydrocarbons
Which of the following is true about alkynes?
they are polar
they do not dissolve in organic solvents
they are saturated hydrocarbons
they are non-polar
Author:
rikazzz
Comment
The Atmosphere
Ozone gas (O
3
) has
unpleasant odor
pleasant odor
no odor
orange color
Author:
rikazzz
Comment
Biochemistry Introduction
Delayed blood clotting is caused by the deficiency of
vitamin E
vitamin K
vitamin C
vitamin D
Author:
rikazzz
Comment
Organic Chemistry
As the number of carbon atoms increases, the number of possible isomers
increases
decreases
remains same
becomes zero
Author:
rikazzz
Comment
Characteristics of Acids Bases and Salts
What is the pH of the potato?
5.5 – 7.0
6.5 – 7.0
5.5 – 6.5
6.5 – 7.0
Author:
rikazzz
Comment
Organic Chemistry
What is the term used for unsaturated hydrocarbons containing at least one carbon-carbon double bond?
alkanes
alkenes
alkynes
none of above
Author:
rikazzz
Comment
Biochemistry Introduction
Monosaccharides (simple sugars) have
oxidizing nature
reducing nature
redox nature
neutralizing nature
Author:
rikazzz
Comment
Organic Chemistry
What is the term used for a formula that describes the arrangement of atoms in a molecule?
molecular formula
structural formula
condensed formula
none of above
Author:
rikazzz
Comment
Hydrocarbons
Acetylene is another name of
ethene
propene
butene
pentene
Author:
rikazzz
Comment
Characteristics of Acids Bases and Salts
Water is an example of
acid
base
amphoteric substance
salt
Author:
rikazzz
Comment
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