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Chemistry

Chemistry
Which of the following is the major constituent of LPG?

Butane
Ethane
Methane
Propane

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Chemistry
Aerated water contains

SO2
H2
NO2
CO2

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Chemistry
Which one of the following is used as preservative for foodstuff ?

Sodium Benzoate
Picric acid
Sodium Chloride
Glycerine

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Chemistry
The heat value of combustion of Gasoline is

14600 kJ/kg
12600 kJ/kg
47000 kJ/kg
39400 kJ/kg

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Chemistry
A subshell with l=2 can take up

5 electron
3 electron
8 electron
10 electron

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Chemistry
Yellow Cake' an item of smuggling across border is

Unreformed gold
A crude from of cocaine
A crude from of heroin
Uranium oxide

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