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Chemistry

Chemistry
Which of the following has least negative electron gain enthalpy

F
S
P
Cl

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Chemistry
'Fire-fighting clothes' are made from

Talc
Asbestos
Mica
Steatite

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Chemistry
Milk tastes sour when kept in the open for sometime due to the formation of

Carbonic acid
Lactic acid
Acetic acid
Citric acid

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Chemistry
An element of atomic no. 29 belongs to

F-block
S-block
P-block
D-block

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Chemistry
'Plaster of Paris' is made by partial dehydration of

Green vitriol
Epsom salt
Gypsum salt
Blue vitriol

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Chemistry
The main constituent of biogas is

Oxygen
Methyl alcohol
Acetic acid
Methane

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