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Chemistry

Chemistry
Which of the following has least negative electron gain enthalpy

P
F
S
Cl

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Chemistry
Which type of fire extinguisher is used for petroleum fire ?

Powder type
Soda acid type
None of these
Foam type

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Chemistry
An emulsion is a colloidal solution of

Gas in solid
Solid in liquid
Liquid in liquid
Solid in Solid

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Chemistry
The iron ore which contains 72% of iron is :

Haematite
Magnetite
Siderite
Limonite

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Chemistry
Terylene is a condensation polymer of ethylene glycol and which acid?

Salicylic acid
Phthalic acid
Terephthalic acid
Benzoic Acid

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Chemistry
The most abundant element in the human body is

Carbon
Nitrogen
Iron
Oxygen

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