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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
Environmental Chemistry: Atmosphere
Which of the following is a poisonous gas?
carbon dioxide
carbon monoxide
nitrogen
nitrogen dioxide
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Hydrocarbons
Methane (CH
4
) is used as
domestic fuel
automobile fuel
urea manufacture
all of above
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Comment
Characteristics of Acids Bases and Salts
The solution is basic when pH is
greater than 6
greater than 7
less than 7
less than 6
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Comment
Organic Chemistry
Nature of organic compounds is
ionic
amphoteric
covalent
coordinate covalent
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Comment
Chemical Industries
Ore of tin is called
galena
zinc blende
Cassiterite
silica
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Characteristics of Acids Bases and Salts
When [H+] is equal to 1 x 10-7, the solution is
neutral
acidic
basic
amphoteric
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Comment
Acids Bases and Salts
Acids ionize in water to produce
OH
–
ions
H
+
ions
SO
4
-2
ions
H
2
O molecules
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Comment
Environmental Chemistry: Water
Ice floats on top of the water because
water expands on freezing
water contracts on freezing
ice is lighter than water
none of above
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Comment
Biochemistry Introduction
In the human diet, all the cholesterol comes from
animal products
vegetable products
minerals
beans
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Comment
Characteristics of Acids Bases and Salts
What is the pH of baking soda?
8
9
10
11
Author:
rikazzz
Comment
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