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Chemistry

Chemistry
Which of the following is the petroleum wax ?

Carnauba wax
Paraffin wax
Bees wax
Jojoba wax

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Chemistry
The most abundant constituent of atmospheric air is :

Hydrogen
Nitrogen
Oxygen
Carbon

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Chemistry
Which one of the following is used as an anti-freeze for the automobile engines ?

Ethanol
Methanol
Propyl alcohol
Ethylene glycol

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Chemistry
Which one of the following has greatest mass ?

Hydrogen nucleus
Proton
Neutron
Electron

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Chemistry
'Bhopal gas tragedy' 1984 is related to which gas

Methyl isocyanate
Carbon dioxide
Aluminium Phosphide
Methyl bromide

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Chemistry
The chief constituent of vinegar is

Acetic acid
Salycylic acid
Oxalic acid
Formic acid

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