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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
The physical state of fat at room temperature is
solid
liquid
gas
plasma
Author:
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Comment
Chemical Equilibrium
Substances which increase the rate of a chemical reaction are called
proteins
single cell protein
enzymes
catalysts
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Comment
Biochemistry Introduction
Which of the following helps in the chemical transmission of images from the eye to the brain?
vitamin A
vitamin B
vitamin C
vitamin D
Author:
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Comment
Biochemistry Introduction
Vitamin E is soluble in
fat
water
ethers
phenols
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Comment
Organic Chemistry
Which of the following has two hydrocarbon groups bonded to the carbonyl carbon atom?
aldehydes
ketones
carboxylic acids
ethers
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Comment
The Atmosphere
The reformation of ozone in the stratosphere is powered by
ultraviolet radiation
atmospheric oxygen
sunlight
heat
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Comment
Characteristics of Acids Bases and Salts
An acid is a substance that ionizes in water to produce
h+ ions
oh- ions
oxygen gas
hydrogen gas
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Comment
Characteristics of Acids Bases and Salts
Considering the methods for making salt, the reaction of acid and metal carbonate gives
salt and water
salt and hydrogen
salt, carbon dioxide and water
salt and salt
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Comment
Biochemistry Introduction
Considering the structure of DNA, the two strands twisted around each other in a spiral formation are called
single helix
double helix
triple helix
tetra helix
Author:
rikazzz
Comment
Biochemistry Introduction
The vitamin which helps in chemical transmission of images from the eye to the brain is
vitamin A
vitamin B
vitamin C
vitamin D
Author:
rikazzz
Comment
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