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Chemistry

Chemistry
The most volatile of the given liquids is

Ether
Liquid
Liquid He
Liquid NH3

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Chemistry
Periodic table contains how many periods

10
7
6
8

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Chemistry
Depletion of ozone layer causes

Blood cancer
Breast cancer
Skin cancer
Lung cancer

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Chemistry
The liquid waste from kitchens and baths, of residences is known as :

Refuse
Storm water
Sullage
Domestic sewage

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Chemistry
The chief constituent of vinegar is

Salycylic acid
Acetic acid
Formic acid
Oxalic acid

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Chemistry
Besides CO2, the other green house gas is

CH4
N2 N2
Ar Ar
O2

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