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Chemistry

Chemistry
Vinegar made by fermentation from cane sugar contains

Citric acid
Acetic acid
Lactic acid
Palmitic acid

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Chemistry
Which is a natural colloid ?

Blood
Sodium chloride
Cane-sugar
Urea

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Chemistry
Pollutant from motor car exhaust that causes mental disease is

SO2
Hg
Lead
NO2

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Chemistry
Which of the following phenomenon is considered responsible for Global Warming?

Fire in coal mines
Trade winds
Greenhouse effect
Dry farming

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Chemistry
The number of d-electrons in Fe2+ (Z = 26) is not equal to that of

p-electrons in CI(Z = 17)
s-electrons in Mg(Z = 12)
p-electrons in Ne(Z = 10)
d-electrons in Fe(Z = 26)

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Chemistry
Which one of the following has a maximum tendency to form M3 ion ?

N
P
Bi
As

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