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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
What is the term used for the linkage which joins two amino acid units?
amino group
carboxyl group
peptide bond
dipeptide
Author:
rikazzz
Comment
The Atmosphere
The compound which is responsible for acid rain is
sulfur
sulfur dioxide
sulfur trioxide
nitrogen
Author:
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Comment
Chemical Industries
The second step of the Solvay process is
preparation of ammonical brine
carbonation
filtration
calcination
Author:
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Comment
Environmental Chemistry: Water
Water exists in how many states?
1
2
3
4
Author:
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Comment
Hydrocarbons
What is the correct trend in the reactivity of halogen with an alkane?
F2 > Cl2> Br2 > I2
I2 > Cl2 > Br2 > F2
Br2 > Cl2 > F2 > I2
F2 > Br2 > Cl2 >I2
Author:
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Comment
Hydrocarbons
Chloroform is also called
chloromethane
dichloromethane
Trichloromethane
tetra chloromethane
Author:
rikazzz
Comment
Environmental Chemistry: Atmosphere
What happens to the rates of ozone formation and destruction in the absence of outside intervention?
rate of ozone formation is faster
rate of ozone destruction is faster
they are equal
none of above
Author:
rikazzz
Comment
Environmental Chemistry: Water
What is given when electricity is passed through acidified water in a voltammeter?
oxygen only
hydrogen only
nitrogen
oxygen and hydrogen
Author:
rikazzz
Comment
Environmental Chemistry: Atmosphere
Which of the following is responsible for the rise in temperature in the stratosphere?
position of stratosphere
height of stratosphere
ozone
sunlight
Author:
rikazzz
Comment
Organic Chemistry
Methyl has the molecular formula
CH
4
CH
3
CH
CH
2
Author:
rikazzz
Comment
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