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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
What is the effect of the base on blue litmus paper?
it remains blue
it turns pink
it turns red
it becomes colorless
Author:
rikazzz
Comment
Environmental Chemistry: Atmosphere
Which of the following comes mainly due to the combustion of fuel used in motor vehicles?
chlorofluorocarbons (CFCs)
methane
carbon monoxide
lead compounds
Author:
rikazzz
Comment
Environmental Chemistry: Water
What is the percentage of water from glaciers and ice caps?
0
0.002
0.006
0.021
Author:
rikazzz
Comment
Chemical Equilibrium
When diluting acid always add
water to acid
acid to water
acid to oxygen
hydrogen to acid
Author:
rikazzz
Comment
Environmental Chemistry: Atmosphere
Anything that destroys some part of the environment is called
dirt
virus
pollutant
bacteria
Author:
rikazzz
Comment
Hydrocarbons
Oxy-acetylene torches can produce temperature as high as
30 degrees
300 degrees
3000 degrees
30000 degrees
Author:
rikazzz
Comment
The Atmosphere
When ozone absorbs UV radiation, the energy is converted in to
light
sound
heat
electricity
Author:
rikazzz
Comment
Hydrocarbons
What is the state of Trichloromethane at room temperature?
solid
liquid
gas
plasma
Author:
rikazzz
Comment
Characteristics of Acids Bases and Salts
How much hydrochloric acid is secreted each day by gastric glands?
1 liter
two liters
three liters
four liters
Author:
rikazzz
Comment
Biochemistry Introduction
Maltose is obtained from
sugarcane
fruits
cereals
plants
Author:
rikazzz
Comment
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