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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
Organic Chemistry
If one hydrogen atom (H) of alkane (saturated hydrocarbon) is substituted by one halogen atom (F, Cl, Br, I), the compound formed is
alkene
alkyne
halo alkane
alkaline
Author:
rikazzz
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Biochemistry Introduction
The condensed structural formula of Caproic acid is
CH3-CH2-CH2-COOH
CH3-(CH2)4-COOH
CH3-(CH2)14-COOH
CH3-(CH2)16-COOH
Author:
rikazzz
Comment
Biochemistry Introduction
Which of the following should be fed to hens to lower the amount of cholesterol in eggs?
flax seeds
apple seeds
banana seeds
apricot seeds
Author:
rikazzz
Comment
Chemical Industries
Ore of iron is called
hematite
chalcopyrite
bauxite
halite
Author:
rikazzz
Comment
Biochemistry Introduction
Source of butyric acid is
butter
palm oil
beef fat
olive oil
Author:
rikazzz
Comment
Chemical Equilibrium
What percentage of ammonia is given after cooling the equilibrium mixture by the Haber process?
20 percent
33 percent
100 percent
98 percent
Author:
rikazzz
Comment
Chemical Industries
The boiling point of lubricating oil is
270 °C to 340 °C
350 °C to 500 °C
500 °C to 600 °C
more than 500 °C
Author:
rikazzz
Comment
Biochemistry Introduction
Which of the following are high molecular weight polymers?
carbohydrates
hydrocarbons
proteins
lipids
Author:
rikazzz
Comment
Environmental Chemistry: Atmosphere
Which of the following is true about carbon monoxide?
it is poisonous
it is insoluble in water
it is not an air pollutant
it cannot cause death
Author:
rikazzz
Comment
Organic Chemistry
What is the term used for the hydrocarbons whose carbon-carbon bonds are all single bonds?
unsaturated hydrocarbons
alkenes
alkynes
saturated hydrocarbons
Author:
rikazzz
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